diff --git a/lib/ProductOpener/APIProductServices.pm b/lib/ProductOpener/APIProductServices.pm
index e70ccbc068195..5e237833b239b 100644
--- a/lib/ProductOpener/APIProductServices.pm
+++ b/lib/ProductOpener/APIProductServices.pm
@@ -47,7 +47,10 @@ An array list of services to perform.
 Currently implemented services:
 
 - echo : does nothing, mostly for testing
+- parse_ingredients_text : parse the ingredients text list and return an ingredients object
+- extend_ingredients : extend the ingredients object with additional information
 - estimate_ingredients_percent : compute percent_min, percent_max, percent_estimate for each ingredient in the ingredients object
+- analyze_ingredients : analyze the ingredients object and return a summary object
 
 =head4 product
 
@@ -90,17 +93,23 @@ use ProductOpener::API qw/add_error customize_response_for_product/;
 
 use Encode;
 
-=head2 echo_service ($product_ref)
+=head2 echo_service ($product_ref, $updated_product_fields_ref, $errors_ref)
 
 Echo service that returns the input product unchanged.
 
 =cut
 
-sub echo_service ($product_ref, $updated_product_fields_ref) {
+sub echo_service ($product_ref, $updated_product_fields_ref, $errors_ref) {
 
 	return;
 }
 
+=head2 Service function handlers
+
+They will be called with the input product object, a reference to the updated fields hash, and a reference to the errors array.
+
+=cut
+
 my %service_functions = (
 	echo => \&echo_service,
 	parse_ingredients_text => \&ProductOpener::Ingredients::parse_ingredients_text_service,
@@ -191,6 +200,12 @@ sub product_services_api ($request_ref) {
 	if (not $error) {
 
 		my $product_ref = $request_body_ref->{product};
+		# Normalization of some fields like lc / lang
+		normalize_product_data($product_ref);
+
+		# TODO: check that the product object is valid
+		# any input product data can be sent, and most of the services expect a specific structure
+		# they may crash and return a 500 error if the input data is not as expected (e.g. hash instead of array)
 
 		# We will track of fields updated by the services so that we can return only those fields
 		# if the fields parameter value is "updated"
@@ -199,7 +214,7 @@ sub product_services_api ($request_ref) {
 		foreach my $service (@{$request_body_ref->{services}}) {
 			my $service_function = $service_functions{$service};
 			if (defined $service_function) {
-				&$service_function($product_ref, $request_ref->{updated_product_fields});
+				&$service_function($product_ref, $request_ref->{updated_product_fields}, $response_ref->{errors});
 			}
 			else {
 				add_error(
diff --git a/lib/ProductOpener/FoodProducts.pm b/lib/ProductOpener/FoodProducts.pm
index f166aede69dc5..d9bee16874ec8 100644
--- a/lib/ProductOpener/FoodProducts.pm
+++ b/lib/ProductOpener/FoodProducts.pm
@@ -78,7 +78,7 @@ sub specific_processes_for_food_product ($product_ref) {
 	# Ingredients analysis
 
 	# Select best language to parse ingredients
-	$product_ref->{ingredients_lc} = select_ingredients_lc($product_ref);
+	select_ingredients_lc($product_ref);
 	clean_ingredients_text($product_ref);
 	extract_ingredients_from_text($product_ref);
 	extract_additives_from_text($product_ref);
diff --git a/lib/ProductOpener/Images.pm b/lib/ProductOpener/Images.pm
index bc38c4b5e6eb8..85364f84f0479 100644
--- a/lib/ProductOpener/Images.pm
+++ b/lib/ProductOpener/Images.pm
@@ -1337,7 +1337,7 @@ sub process_image_crop ($user_id, $product_id, $id, $imgid, $angle, $normalize,
 	}
 
 	print STDERR
-		"image_crop.pl - imgid: $imgid - crop_size: $crop_size - x1: $x1, y1: $y1, x2: $x2, y2: $y2, w: $w, h: $h\n";
+		"image_crop.pl - source_path: $source_path - product_id: $product_id - imgid: $imgid - crop_size: $crop_size - x1: $x1, y1: $y1, x2: $x2, y2: $y2, w: $w, h: $h\n";
 	$log->trace("calculating geometry",
 		{crop_size => $crop_size, x1 => $x1, y1 => $y1, x2 => $x2, y2 => $y2, w => $w, h => $h})
 		if $log->is_trace();
diff --git a/lib/ProductOpener/Ingredients.pm b/lib/ProductOpener/Ingredients.pm
index ca1eb050b9521..604851118e571 100644
--- a/lib/ProductOpener/Ingredients.pm
+++ b/lib/ProductOpener/Ingredients.pm
@@ -949,8 +949,6 @@ Array of specific ingredients.
 
 sub add_specific_ingredients_from_labels ($product_ref) {
 
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
-
 	if (defined $product_ref->{labels_tags}) {
 		foreach my $labelid (@{$product_ref->{labels_tags}}) {
 			my $ingredients = get_property("labels", $labelid, "ingredients:en");
@@ -1011,7 +1009,7 @@ Array of specific ingredients.
 
 sub parse_specific_ingredients_from_text ($product_ref, $text, $percent_or_quantity_regexp, $per_100g_regexp) {
 
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
+	my $ingredients_lc = get_or_select_ingredients_lc($product_ref);
 
 	# Go through the ingredient lists multiple times
 	# as long as we have one match
@@ -1576,7 +1574,7 @@ sub parse_processing_from_ingredient ($ingredients_lc, $ingredient) {
 	return (\@processings, $ingredient, $ingredient_id, $ingredient_recognized);
 }
 
-=head2 parse_origins_from_text ( product_ref, $text)
+=head2 parse_origins_from_text ( product_ref, $text, $ingredients_lc)
 
 This function parses the origins of ingredients field to extract the origins of specific ingredients.
 The origins are stored in the specific_ingredients structure of the product.
@@ -1592,6 +1590,11 @@ while parse_origins_from_text() will also recognize text like "Strawberries: Spa
 
 =head4 text $text
 
+=head4 $ingredients_lc : language for the origins text
+
+In most cases it is the same as $product_ref->{ingredients_lc}, except if there are no ingredients listed,
+in which case we can have origins listed in the main language of the product.
+
 =head3 Return values
 
 =head4 specific_ingredients structure
@@ -1602,9 +1605,7 @@ Array of specific ingredients.
 
 =cut
 
-sub parse_origins_from_text ($product_ref, $text) {
-
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
+sub parse_origins_from_text ($product_ref, $text, $ingredients_lc) {
 
 	# Normalize single quotes
 	$text =~ s/’/'/g;
@@ -1661,30 +1662,77 @@ sub parse_origins_from_text ($product_ref, $text) {
 
 =head2 select_ingredients_lc ($product_ref)
 
-Return the `ingredients_lc` field to save in $product_ref.
+Select, set and return the `ingredients_lc` field in $product_ref.
 
 This is the language that will be used to parse ingredients. We first check that ingredients_text_{lang}
 exists and is non-empty for the product main language (`lc`), and return it if it does.
 Otherwise we look at all languages defined in `languages_codes` for a non-empty `ingredients_text_lang`.
 
+If we find a language with non empty ingredients in ingredients_text_{lang}:
+- we copy the value to the `ingredients_text` field in the product
+- we set the `ingredients_lc` field in the product and return it,
+otherwise we unset it.
+
 =head3 Arguments
 
 =head4 $product_ref
 
+=head3 Return values
+
+=head4 ingredients_lc
+
+Language code for ingredients parsing.
+
 =cut
 
 sub select_ingredients_lc ($product_ref) {
-	if (defined $product_ref->{languages_codes}) {
-		# We sort the keys so that the order is deterministic
-		foreach my $language ($product_ref->{lc}, sort keys %{$product_ref->{languages_codes}}) {
-			if (    (defined $product_ref->{"ingredients_text_" . $language})
-				and ($product_ref->{"ingredients_text_" . $language} ne ""))
-			{
-				return $language;
-			}
+	# Get all languages that have ingredients_text_{lang} defined, capture the language code
+	# Note: we don't use language_codes here, as it might not have been computed if we are called from a service
+	# with minimal product data
+	my @ingredients_text_fields = sort grep {/^ingredients_text_(\w\w)$/} (keys %$product_ref);
+
+	# Put the main language first
+	unshift @ingredients_text_fields, "ingredients_text_" . $product_ref->{lc};
+
+	$log->debug("select_ingredients_lc - ingredients_text_fields",
+		{ingredients_text_fields => \@ingredients_text_fields})
+		if $log->is_debug();
+
+	foreach my $ingredient_text_field (@ingredients_text_fields) {
+		if (    (defined $product_ref->{$ingredient_text_field})
+			and ($product_ref->{$ingredient_text_field} ne ""))
+		{
+			$product_ref->{ingredients_text} = $product_ref->{$ingredient_text_field};
+			my $language = substr($ingredient_text_field, -2);
+			$product_ref->{ingredients_lc} = $language;
+			return $language;
 		}
 	}
-	return $product_ref->{lc};
+
+	# If we have ingredients_text set (but no ingredients_text_{lang}), we use the main language of the product
+	# This might happen with very old revisions before we had language specific fields
+	# or in unit test cases
+	if (    (defined $product_ref->{ingredients_text})
+		and ($product_ref->{ingredients_text} ne "")
+		and (defined $product_ref->{lc}))
+	{
+		$product_ref->{ingredients_lc} = $product_ref->{lc};
+		return $product_ref->{lc};
+	}
+	delete $product_ref->{ingredients_lc};
+	return;
+}
+
+=head2 get_or_select_ingredients_lc ($product_ref)
+
+Return the ingredients_lc field if already set, otherwise call select_ingredients_lc() to select it.
+
+This function is used in ingredients related services, to ensure that the ingredients_lc field is set.
+
+=cut
+
+sub get_or_select_ingredients_lc ($product_ref) {
+	return $product_ref->{ingredients_lc} || select_ingredients_lc($product_ref);
 }
 
 =head2 get_percent_or_quantity_and_normalized_quantity($percent_or_quantity_value, $percent_or_quantity_unit)
@@ -1739,7 +1787,7 @@ sub get_percent_or_quantity_and_normalized_quantity ($percent_or_quantity_value,
 	return ($percent, $quantity, $quantity_g);
 }
 
-=head2 parse_ingredients_text_service ( $product_ref, $updated_product_fields_ref )
+=head2 parse_ingredients_text_service ( $product_ref, $updated_product_fields_ref, $errors_ref )
 
 Parse the ingredients_text field to extract individual ingredients.
 
@@ -1755,9 +1803,13 @@ product object reference
 
 reference to a hash of product fields that have been created or updated
 
+=head4 $errors_ref
+
+reference to an array of error messages
+
 =cut
 
-sub parse_ingredients_text_service ($product_ref, $updated_product_fields_ref) {
+sub parse_ingredients_text_service ($product_ref, $updated_product_fields_ref, $errors_ref) {
 
 	my $debug_ingredients = 0;
 
@@ -1766,15 +1818,47 @@ sub parse_ingredients_text_service ($product_ref, $updated_product_fields_ref) {
 	# and indicate that the service is creating the "ingredients" structure
 	$updated_product_fields_ref->{ingredients} = 1;
 
-	return if ((not defined $product_ref->{ingredients_text}) or ($product_ref->{ingredients_text} eq ""));
+	my $ingredients_lc = get_or_select_ingredients_lc($product_ref);
+
+	if (   (not defined $product_ref->{ingredients_text})
+		or ($product_ref->{ingredients_text} eq "")
+		or (not defined $ingredients_lc))
+	{
+		$log->debug(
+			"parse_ingredients_text_service - missing ingredients_text or ingredients_lc",
+			{ingredients_text => $product_ref->{ingredients_text}, ingredients_lc => $ingredients_lc}
+		) if $log->is_debug();
+		if ((not defined $product_ref->{ingredients_text}) or ($product_ref->{ingredients_text} eq "")) {
+
+			push @{$errors_ref},
+				{
+				message => {id => "missing_field"},
+				field => {
+					id => "ingredients_text",
+					impact => {id => "skipped_service"},
+					service => {id => "parse_ingredients_text"}
+				}
+				};
+		}
+		if (not defined $ingredients_lc) {
+			push @{$errors_ref},
+				{
+				message => {id => "missing_field"},
+				field => {
+					id => "ingredients_lc",
+					impact => {id => "skipped_service"},
+					service => {id => "parse_ingredients_text"}
+				}
+				};
+		}
+
+		return;
+	}
 
 	my $text = $product_ref->{ingredients_text};
 
 	$log->debug("extracting ingredients from text", {text => $text}) if $log->is_debug();
 
-	# $product_ref->{ingredients_lc} is defined in extract_ingredients_from_text()
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
-
 	$text = preparse_ingredients_text($ingredients_lc, $text);
 
 	$log->debug("preparsed ingredients from text", {text => $text}) if $log->is_debug();
@@ -2983,13 +3067,13 @@ sub parse_ingredients_text_service ($product_ref, $updated_product_fields_ref) {
 	return;
 }
 
-=head2 extend_ingredients_service ( $product_ref, $updated_product_fields_ref )
+=head2 extend_ingredients_service ( $product_ref, $updated_product_fields_ref, $errors_ref )
 
 After the nested ingredients structure has been built with the parse_ingredients_text_service,
 this service adds some properties to the ingredients:
 
 - Origins, labels etc. that have been extracted from other fields
-- Ciqual codes
+- Ciqual and Ecobalyse codes
 
 =head3 Arguments
 
@@ -3001,11 +3085,18 @@ product object reference
 
 reference to a hash of product fields that have been created or updated
 
+=head4 $errors_ref
+
+reference to an array of error messages
+
 =cut
 
-sub extend_ingredients_service ($product_ref, $updated_product_fields_ref) {
+sub extend_ingredients_service ($product_ref, $updated_product_fields_ref, $errors_ref) {
 
-	# and indicate that the service is creating the "ingredients" structure
+	# Do nothing and return if we don't have the ingredients structure
+	return if not defined $product_ref->{ingredients};
+
+	# indicate that the service is modifying the "ingredients" structure
 	$updated_product_fields_ref->{ingredients} = 1;
 
 	# Add properties like origins from specific ingredients extracted from labels or the end of the ingredients list
@@ -3125,7 +3216,7 @@ sub compute_ingredients_tags ($product_ref) {
 	my $field = "ingredients";
 
 	$product_ref->{ingredients_original_tags} = $product_ref->{ingredients_tags};
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
+	my $ingredients_lc = get_or_select_ingredients_lc($product_ref);
 
 	if (defined $taxonomy_fields{$field}) {
 		$product_ref->{$field . "_hierarchy"} = [
@@ -3193,12 +3284,15 @@ sub extract_ingredients_from_text ($product_ref) {
 
 	$product_ref->{specific_ingredients} = [];
 
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
+	# It is possible that we could have origins info listed without having ingredients listed
+	# (also in unit tests)
+	# so we fall back to the main language of the product in that case
+	my $origin_lc = get_or_select_ingredients_lc($product_ref) || $product_ref->{lc};
 
 	# Ingredients origins may be listed in the origin field
 	# e.g. "Origin of the rice: Thailand."
-	if (defined $product_ref->{"origin_" . $ingredients_lc}) {
-		parse_origins_from_text($product_ref, $product_ref->{"origin_" . $ingredients_lc});
+	if (defined $product_ref->{"origin_" . $origin_lc}) {
+		parse_origins_from_text($product_ref, $product_ref->{"origin_" . $origin_lc}, $origin_lc);
 	}
 
 	# Add specific ingredients from labels
@@ -3207,16 +3301,16 @@ sub extract_ingredients_from_text ($product_ref) {
 	# Parse the ingredients list to extract individual ingredients and sub-ingredients
 	# to create the ingredients array with nested sub-ingredients arrays
 
-	parse_ingredients_text_service($product_ref, {});
+	parse_ingredients_text_service($product_ref, {}, []);
 
 	if (defined $product_ref->{ingredients}) {
 
 		# - Add properties like origins from specific ingredients extracted from labels or the end of the ingredients list
 		# - Obtain Ciqual codes ready for ingredients estimation from nutrients
-		extend_ingredients_service($product_ref, {});
+		extend_ingredients_service($product_ref, {}, []);
 
 		# Compute minimum and maximum percent ranges and percent estimates for each ingredient and sub ingredient
-		estimate_ingredients_percent_service($product_ref, {});
+		estimate_ingredients_percent_service($product_ref, {}, []);
 
 		estimate_nutriscore_2021_fruits_vegetables_nuts_percent_from_ingredients($product_ref);
 		estimate_nutriscore_2023_fruits_vegetables_legumes_percent_from_ingredients($product_ref);
@@ -3254,7 +3348,7 @@ sub extract_ingredients_from_text ($product_ref) {
 	# Analyze ingredients to see the ones that are vegan, vegetarian, from palm oil etc.
 	# and compute the resulting value for the complete product
 
-	analyze_ingredients_service($product_ref, {});
+	analyze_ingredients_service($product_ref, {}, []);
 
 	# Delete specific ingredients if empty
 	if ((exists $product_ref->{specific_ingredients}) and (scalar @{$product_ref->{specific_ingredients}} == 0)) {
@@ -3418,7 +3512,7 @@ sub get_missing_ecobalyse_ids ($ingredients_ref) {
 	return @ingredients_without_ecobalyse_ids;
 }
 
-=head2 estimate_ingredients_percent_service ( $product_ref, $updated_product_fields_ref )
+=head2 estimate_ingredients_percent_service ( $product_ref, $updated_product_fields_ref, $errors_ref )
 
 Compute minimum and maximum percent ranges and percent estimates for each ingredient and sub ingredient.
 
@@ -3434,9 +3528,16 @@ product object reference
 
 reference to a hash of product fields that have been created or updated
 
+=head4 $errors_ref
+
+reference to an array of error messages
+
 =cut 
 
-sub estimate_ingredients_percent_service ($product_ref, $updated_product_fields_ref) {
+sub estimate_ingredients_percent_service ($product_ref, $updated_product_fields_ref, $errors_ref) {
+
+	# Do nothing and return if we don't have the ingredients structure
+	return if not defined $product_ref->{ingredients};
 
 	# Add a percent_max value for salt and sugar ingredients, based on the nutrition facts.
 	add_percent_max_for_ingredients_from_nutrition_facts($product_ref);
@@ -4161,7 +4262,7 @@ sub compute_ingredients_percent_estimates ($total, $ingredients_ref) {
 	return;
 }
 
-=head2 analyze_ingredients ( $product_ref, $updated_product_fields_ref )
+=head2 analyze_ingredients_service ( $product_ref, $updated_product_fields_ref, $errors_ref )
 
 Analyzes ingredients to see the ones that are vegan, vegetarian, from palm oil etc.
 and computes the resulting value for the complete product.
@@ -4182,9 +4283,13 @@ product object reference
 
 reference to a hash of product fields that have been created or updated
 
+=head4 $errors_ref
+
+reference to an array of error messages
+
 =cut
 
-sub analyze_ingredients_service ($product_ref, $updated_product_fields_ref) {
+sub analyze_ingredients_service ($product_ref, $updated_product_fields_ref, $errors_ref) {
 
 	# Delete any existing values for the ingredients analysis fields
 	delete $product_ref->{ingredients_analysis};
@@ -5933,7 +6038,8 @@ my @symbols = ('\*\*\*', '\*\*', '\*', '°°°', '°°', '°', '\(1\)', '\(2\)',
 my $symbols_regexp = join('|', @symbols);
 
 sub develop_ingredients_categories_and_types ($ingredients_lc, $text) {
-	$log->debug("develop_ingredients_categories_and_types: start with>$text<") if $log->is_debug();
+	$log->debug("develop_ingredients_categories_and_types", {ingredients_lc => $ingredients_lc, text => $text})
+		if $log->is_debug();
 
 	if (defined $ingredients_categories_and_types{$ingredients_lc}) {
 
@@ -6578,6 +6684,8 @@ sub preparse_ingredients_text ($ingredients_lc, $text) {
 
 This function extracts additives from the ingredients text and adds them to the product_ref in the additives_tags array.
 
+TODO: this function is independent of the ingredient parsing, we should combine the two.
+
 =head3 Arguments
 
 =head4 Product reference
@@ -6608,10 +6716,12 @@ sub extract_additives_from_text ($product_ref) {
 	delete $product_ref->{ingredients_sweeteners_n};
 	delete $product_ref->{ingredients_non_nutritive_sweeteners_n};
 
-	if (not defined $product_ref->{ingredients_text}) {
+	my $ingredients_lc = get_or_select_ingredients_lc($product_ref);
+
+	if ((not defined $product_ref->{ingredients_text}) or (not defined $ingredients_lc)) {
 		return;
 	}
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
+
 	my $text = preparse_ingredients_text($ingredients_lc, $product_ref->{ingredients_text});
 	# do not match anything if we don't have a translation for "and"
 	my $and = $and{$ingredients_lc} || " will not match ";
@@ -7195,7 +7305,7 @@ sub count_sweeteners_and_non_nutritive_sweeteners ($product_ref) {
 
 sub replace_allergen ($language, $product_ref, $allergen, $before) {
 
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
+	my $ingredients_lc = get_or_select_ingredients_lc($product_ref);
 	my $field = "allergens";
 
 	my $traces_regexp = $may_contain_regexps{$language};
@@ -7217,7 +7327,7 @@ sub replace_allergen ($language, $product_ref, $allergen, $before) {
 
 sub replace_allergen_in_caps ($language, $product_ref, $allergen, $before) {
 
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
+	my $ingredients_lc = get_or_select_ingredients_lc($product_ref);
 	my $field = "allergens";
 
 	my $traces_regexp = $may_contain_regexps{$language};
@@ -7243,7 +7353,7 @@ sub replace_allergen_in_caps ($language, $product_ref, $allergen, $before) {
 
 sub replace_allergen_between_separators ($language, $product_ref, $start_separator, $allergen, $end_separator, $before)
 {
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
+	my $ingredients_lc = get_or_select_ingredients_lc($product_ref);
 	my $field = "allergens";
 
 	#print STDERR "replace_allergen_between_separators - allergen: $allergen\n";
@@ -7451,7 +7561,7 @@ sub detect_allergens_from_text ($product_ref) {
 		init_allergens_regexps();
 	}
 
-	my $ingredients_lc = $product_ref->{ingredients_lc} || $product_ref->{lc};
+	my $ingredients_lc = get_or_select_ingredients_lc($product_ref);
 
 	# Keep allergens entered by users in the allergens and traces field
 
@@ -7547,8 +7657,9 @@ sub detect_allergens_from_text ($product_ref) {
 	# Use the language the tag have been entered in
 
 	my $traces_regexp;
-	if (defined $may_contain_regexps{$product_ref->{traces_lc} || $ingredients_lc}) {
-		$traces_regexp = $may_contain_regexps{$product_ref->{traces_lc} || $ingredients_lc};
+	my $traces_lc = $product_ref->{traces_lc} || $product_ref->{lc};
+	if ((defined $traces_lc) and (defined $may_contain_regexps{$traces_lc})) {
+		$traces_regexp = $may_contain_regexps{$traces_lc};
 	}
 
 	if (    (defined $traces_regexp)
@@ -7570,7 +7681,7 @@ sub detect_allergens_from_text ($product_ref) {
 		# regenerate allergens and traces from the allergens_tags field so that it is prefixed with the values in the
 		# main language of the product (which may be different than the $tag_lc language of the interface)
 
-		my $tag_lc = $product_ref->{$field . "_lc"} || $ingredients_lc || "?";
+		my $tag_lc = $product_ref->{$field . "_lc"} || $product_ref->{lc} || "?";
 		$product_ref->{$field . "_from_user"} = "($tag_lc) " . ($product_ref->{$field} // "");
 		$product_ref->{$field . "_hierarchy"} = [gen_tags_hierarchy_taxonomy($tag_lc, $field, $product_ref->{$field})];
 		$product_ref->{$field} = join(',', @{$product_ref->{$field . "_hierarchy"}});
@@ -7586,11 +7697,13 @@ sub detect_allergens_from_text ($product_ref) {
 			$allergens .= ", " . $product_ref->{$field};
 		}
 
-		$product_ref->{$field . "_hierarchy"} = [gen_tags_hierarchy_taxonomy($ingredients_lc, $field, $allergens)];
+		$product_ref->{$field . "_hierarchy"}
+			= [gen_tags_hierarchy_taxonomy($ingredients_lc || $product_ref->{lc}, $field, $allergens)];
 		$product_ref->{$field . "_tags"} = [];
 		# print STDERR "result for $field : ";
 		foreach my $tag (@{$product_ref->{$field . "_hierarchy"}}) {
-			push @{$product_ref->{$field . "_tags"}}, get_allergens_taxonomyid($ingredients_lc, $tag);
+			push @{$product_ref->{$field . "_tags"}},
+				get_allergens_taxonomyid($ingredients_lc || $product_ref->{lc}, $tag);
 			# print STDERR " - $tag";
 		}
 		# print STDERR "\n";
diff --git a/lib/ProductOpener/Products.pm b/lib/ProductOpener/Products.pm
index 5e10c3ce1638f..93200d7e91f45 100644
--- a/lib/ProductOpener/Products.pm
+++ b/lib/ProductOpener/Products.pm
@@ -78,6 +78,7 @@ BEGIN {
 		&product_id_from_path
 		&product_exists
 		&get_owner_id
+		&normalize_product_data
 		&init_product
 		&retrieve_product
 		&retrieve_product_rev
@@ -879,6 +880,8 @@ sub retrieve_product ($product_id, $include_deleted = 0) {
 		}
 	}
 
+	normalize_product_data($product_ref);
+
 	return $product_ref;
 }
 
@@ -909,6 +912,8 @@ sub retrieve_product_rev ($product_id, $rev, $include_deleted = 0) {
 		}
 	}
 
+	normalize_product_data($product_ref);
+
 	return $product_ref;
 }
 
@@ -1559,20 +1564,33 @@ sub compute_data_sources ($product_ref, $changes_ref) {
 	return;
 }
 
+=head2 normalize_product_data($product_ref)
+
+Function to do some normalization of product data (from the product database or input product data from a service)
+
+=cut
+
+sub normalize_product_data($product_ref) {
+
+	# We currently have two fields lang and lc that are used to store the main language of the product
+	# TODO: at some point, we should keep only one field
+	# In theory, they should always have a value (defaulting to English), and they should be the same
+	# It is possible that in some situations, one or the other is missing
+	# e.g. when a product service is called directly with product data, and the product is not loaded
+	# through the database or the .sto file.
+	# some old revisions may also have missing values
+
+	my $main_lc = $product_ref->{lc} || $product_ref->{lang} || "en";
+	$product_ref->{lang} = $main_lc;
+	$product_ref->{lc} = $main_lc;
+
+	return;
+}
+
 sub compute_completeness_and_missing_tags ($product_ref, $current_ref, $previous_ref) {
 
+	normalize_product_data($product_ref);
 	my $lc = $product_ref->{lc};
-	if (not defined $lc) {
-		# Try lang field
-		if (defined $product_ref->{lang}) {
-			$lc = $product_ref->{lang};
-		}
-		else {
-			$lc = "en";
-			$product_ref->{lang} = "en";
-		}
-		$product_ref->{lc} = $lc;
-	}
 
 	# Compute completeness and missing tags
 
diff --git a/stop_words.txt b/stop_words.txt
index 18d65d8f0627d..8b7e67bb3b9cb 100644
--- a/stop_words.txt
+++ b/stop_words.txt
@@ -69,6 +69,7 @@ dont
 dropdown
 du
 ecoscore
+Ecobalyse
 EAN
 EANs
 eg
diff --git a/tests/integration/api_v2_product_write.t b/tests/integration/api_v2_product_write.t
index 874f0598f4b31..48219eb218511 100644
--- a/tests/integration/api_v2_product_write.t
+++ b/tests/integration/api_v2_product_write.t
@@ -120,6 +120,7 @@ my $tests_ref = [
 			quantity => "250 g",
 			serving_size => '20 g',
 			ingredients_text => "Pork meat, salt",
+			traces => "Moutarde, milk, abcd",
 		}
 	},
 	{
diff --git a/tests/integration/api_v3_product_services.t b/tests/integration/api_v3_product_services.t
index 5bae5d84d0967..eae5f9792a7e2 100644
--- a/tests/integration/api_v3_product_services.t
+++ b/tests/integration/api_v3_product_services.t
@@ -113,6 +113,69 @@ my $tests_ref = [
 			"services":["estimate_ingredients_percent", "analyze_ingredients"],'
 			. $product_hazelnut_spread_json . '}',
 	},
+
+	# parse_ingredients_text missing ingredients
+	{
+		test_case => 'parse-ingredients-text-service-missing-ingredients',
+		method => 'POST',
+		path => '/api/v3/product_services',
+		body => <<JSON
+{
+	"services":["parse_ingredients_text"],
+	"product": {
+		"lc": "en"
+	}
+}
+JSON
+	},
+
+	# parse_ingredients_text
+	{
+		test_case => 'parse-ingredients-text-service-lc-fr',
+		method => 'POST',
+		path => '/api/v3/product_services',
+		body => <<JSON
+{
+	"services":["parse_ingredients_text"],
+	"product": {
+		"ingredients_text": "Sucre, huile de palme, huile de NOISETTES, quelque chose d'inconnu",
+		"lc": "fr"
+	}
+}
+JSON
+	},
+
+	# no lc, should default to en
+	{
+		test_case => 'parse-ingredients-text-service-no-lc',
+		method => 'POST',
+		path => '/api/v3/product_services',
+		body => <<JSON
+{
+	"services":["parse_ingredients_text"],
+	"product": {
+		"ingredients_text_es": "azúcar, aceite de palma, agua, algo desconocido",
+		"ingredients_text_en": "sugar, palm oil, water, something unknown"
+	}
+}
+JSON
+	},
+
+	# ingredients_text_fr defined, should use it
+	{
+		test_case => 'parse-ingredients-text-service-ingredients-text-fr',
+		method => 'POST',
+		path => '/api/v3/product_services',
+		body => <<JSON
+{
+	"services":["parse_ingredients_text"],
+	"product": {
+		"ingredients_text_fr": "sucre, huile de palme, eau, quelque chose d'inconnu"
+	}
+}
+JSON
+	},
+
 ];
 
 execute_api_tests(__FILE__, $tests_ref);
diff --git a/tests/integration/expected_test_results/api_v2_product_write/get-product-ingredients-text-without-language.json b/tests/integration/expected_test_results/api_v2_product_write/get-product-ingredients-text-without-language.json
index 16bc76ca72984..0430f56797160 100644
--- a/tests/integration/expected_test_results/api_v2_product_write/get-product-ingredients-text-without-language.json
+++ b/tests/integration/expected_test_results/api_v2_product_write/get-product-ingredients-text-without-language.json
@@ -11,7 +11,7 @@
       "additives_tags" : [],
       "allergens" : "",
       "allergens_from_ingredients" : "",
-      "allergens_from_user" : "(en) ",
+      "allergens_from_user" : "(fr) ",
       "allergens_hierarchy" : [],
       "allergens_tags" : [],
       "amino_acids_tags" : [],
@@ -793,11 +793,20 @@
          "en:product-name-to-be-completed",
          "en:photos-to-be-uploaded"
       ],
-      "traces" : "",
+      "traces" : "en:milk,en:Moutarde,en:abcd",
       "traces_from_ingredients" : "",
-      "traces_from_user" : "(en) ",
-      "traces_hierarchy" : [],
-      "traces_tags" : [],
+      "traces_from_user" : "(en) Moutarde, milk, abcd",
+      "traces_hierarchy" : [
+         "en:milk",
+         "en:Moutarde",
+         "en:abcd"
+      ],
+      "traces_lc" : "en",
+      "traces_tags" : [
+         "en:milk",
+         "en:moutarde",
+         "en:abcd"
+      ],
       "unknown_ingredients_n" : 0,
       "unknown_nutrients_tags" : [],
       "vitamins_tags" : [],
diff --git a/tests/integration/expected_test_results/api_v3_product_services/echo-service-hazelnut-spread.json b/tests/integration/expected_test_results/api_v3_product_services/echo-service-hazelnut-spread.json
index 51c1f9fc2de78..26691d0e1c0d1 100644
--- a/tests/integration/expected_test_results/api_v3_product_services/echo-service-hazelnut-spread.json
+++ b/tests/integration/expected_test_results/api_v3_product_services/echo-service-hazelnut-spread.json
@@ -29,6 +29,8 @@
             "vegetarian" : "yes"
          }
       ],
+      "lang" : "en",
+      "lc" : "en",
       "product_name_en" : "My hazelnut spread",
       "product_name_fr" : "Ma pâte aux noisettes"
    },
diff --git a/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-ingredients-text-fr.json b/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-ingredients-text-fr.json
new file mode 100644
index 0000000000000..41ff7b389c246
--- /dev/null
+++ b/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-ingredients-text-fr.json
@@ -0,0 +1,35 @@
+{
+   "errors" : [],
+   "fields" : [
+      "updated"
+   ],
+   "product" : {
+      "ingredients" : [
+         {
+            "id" : "en:sugar",
+            "is_in_taxonomy" : 1,
+            "text" : "sucre"
+         },
+         {
+            "id" : "en:palm-oil",
+            "is_in_taxonomy" : 1,
+            "text" : "huile de palme"
+         },
+         {
+            "id" : "en:water",
+            "is_in_taxonomy" : 1,
+            "text" : "eau"
+         },
+         {
+            "id" : "fr:quelque-chose-d-inconnu",
+            "is_in_taxonomy" : 0,
+            "text" : "quelque chose d'inconnu"
+         }
+      ]
+   },
+   "services" : [
+      "parse_ingredients_text"
+   ],
+   "status" : "success",
+   "warnings" : []
+}
diff --git a/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-lc-fr.json b/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-lc-fr.json
new file mode 100644
index 0000000000000..a8bd493f29015
--- /dev/null
+++ b/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-lc-fr.json
@@ -0,0 +1,35 @@
+{
+   "errors" : [],
+   "fields" : [
+      "updated"
+   ],
+   "product" : {
+      "ingredients" : [
+         {
+            "id" : "en:sugar",
+            "is_in_taxonomy" : 1,
+            "text" : "Sucre"
+         },
+         {
+            "id" : "en:palm-oil",
+            "is_in_taxonomy" : 1,
+            "text" : "huile de palme"
+         },
+         {
+            "id" : "en:hazelnut-oil",
+            "is_in_taxonomy" : 1,
+            "text" : "huile de NOISETTES"
+         },
+         {
+            "id" : "fr:quelque-chose-d-inconnu",
+            "is_in_taxonomy" : 0,
+            "text" : "quelque chose d'inconnu"
+         }
+      ]
+   },
+   "services" : [
+      "parse_ingredients_text"
+   ],
+   "status" : "success",
+   "warnings" : []
+}
diff --git a/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-missing-ingredients.json b/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-missing-ingredients.json
new file mode 100644
index 0000000000000..4e91b7d28b791
--- /dev/null
+++ b/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-missing-ingredients.json
@@ -0,0 +1,45 @@
+{
+   "errors" : [
+      {
+         "field" : {
+            "id" : "ingredients_text",
+            "impact" : {
+               "id" : "skipped_service"
+            },
+            "service" : {
+               "id" : "parse_ingredients_text"
+            }
+         },
+         "message" : {
+            "id" : "missing_field",
+            "lc_name" : "Missing field",
+            "name" : "Missing field"
+         }
+      },
+      {
+         "field" : {
+            "id" : "ingredients_lc",
+            "impact" : {
+               "id" : "skipped_service"
+            },
+            "service" : {
+               "id" : "parse_ingredients_text"
+            }
+         },
+         "message" : {
+            "id" : "missing_field",
+            "lc_name" : "Missing field",
+            "name" : "Missing field"
+         }
+      }
+   ],
+   "fields" : [
+      "updated"
+   ],
+   "product" : {},
+   "services" : [
+      "parse_ingredients_text"
+   ],
+   "status" : "success_with_errors",
+   "warnings" : []
+}
diff --git a/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-no-lc.json b/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-no-lc.json
new file mode 100644
index 0000000000000..6d77d1fe3f74b
--- /dev/null
+++ b/tests/integration/expected_test_results/api_v3_product_services/parse-ingredients-text-service-no-lc.json
@@ -0,0 +1,35 @@
+{
+   "errors" : [],
+   "fields" : [
+      "updated"
+   ],
+   "product" : {
+      "ingredients" : [
+         {
+            "id" : "en:sugar",
+            "is_in_taxonomy" : 1,
+            "text" : "sugar"
+         },
+         {
+            "id" : "en:palm-oil",
+            "is_in_taxonomy" : 1,
+            "text" : "palm oil"
+         },
+         {
+            "id" : "en:water",
+            "is_in_taxonomy" : 1,
+            "text" : "water"
+         },
+         {
+            "id" : "en:something-unknown",
+            "is_in_taxonomy" : 0,
+            "text" : "something unknown"
+         }
+      ]
+   },
+   "services" : [
+      "parse_ingredients_text"
+   ],
+   "status" : "success",
+   "warnings" : []
+}
diff --git a/tests/integration/expected_test_results/api_v3_product_write/patch-request-fields-all.json b/tests/integration/expected_test_results/api_v3_product_write/patch-request-fields-all.json
index f79d850879243..1f199a90d4d27 100644
--- a/tests/integration/expected_test_results/api_v3_product_write/patch-request-fields-all.json
+++ b/tests/integration/expected_test_results/api_v3_product_write/patch-request-fields-all.json
@@ -333,7 +333,6 @@
       "informers_tags" : [
          "openfoodfacts-contributors"
       ],
-      "ingredients_lc" : "en",
       "interface_version_created" : "20221102/api/v3",
       "lang" : "en",
       "languages" : {},
diff --git a/tests/integration/expected_test_results/change_product_code_and_product_type/get-product-with-new-code.json b/tests/integration/expected_test_results/change_product_code_and_product_type/get-product-with-new-code.json
index 547dd6a613969..c4fe0fa5731cd 100644
--- a/tests/integration/expected_test_results/change_product_code_and_product_type/get-product-with-new-code.json
+++ b/tests/integration/expected_test_results/change_product_code_and_product_type/get-product-with-new-code.json
@@ -339,7 +339,6 @@
       "informers_tags" : [
          "openfoodfacts-contributors"
       ],
-      "ingredients_lc" : "en",
       "interface_version_created" : "20221102/api/v3",
       "interface_version_modified" : "20150316.jqm2",
       "lang" : "en",
diff --git a/tests/integration/expected_test_results/change_product_code_and_product_type/search-all-products.json b/tests/integration/expected_test_results/change_product_code_and_product_type/search-all-products.json
index 441b2fd89b349..4034fd4327928 100644
--- a/tests/integration/expected_test_results/change_product_code_and_product_type/search-all-products.json
+++ b/tests/integration/expected_test_results/change_product_code_and_product_type/search-all-products.json
@@ -340,7 +340,6 @@
          "informers_tags" : [
             "openfoodfacts-contributors"
          ],
-         "ingredients_lc" : "en",
          "interface_version_created" : "20221102/api/v3",
          "lang" : "en",
          "languages" : {
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/carrefour-images/products/3560070167470.json b/tests/integration/expected_test_results/convert_and_import_excel_file/carrefour-images/products/3560070167470.json
index fb6f228d2428e..5854a7a5ecbea 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/carrefour-images/products/3560070167470.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/carrefour-images/products/3560070167470.json
@@ -418,7 +418,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/carrefour-images/products/3560070815746.json b/tests/integration/expected_test_results/convert_and_import_excel_file/carrefour-images/products/3560070815746.json
index c6d7b81e907ca..614636befc590 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/carrefour-images/products/3560070815746.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/carrefour-images/products/3560070815746.json
@@ -456,7 +456,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/openfoodfacts_import_template_fr_test/products/5228857000838.json b/tests/integration/expected_test_results/convert_and_import_excel_file/openfoodfacts_import_template_fr_test/products/5228857000838.json
index f7e2da334c003..868baf39bc3a5 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/openfoodfacts_import_template_fr_test/products/5228857000838.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/openfoodfacts_import_template_fr_test/products/5228857000838.json
@@ -334,7 +334,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/openfoodfacts_import_template_fr_test/products/5228857000839.json b/tests/integration/expected_test_results/convert_and_import_excel_file/openfoodfacts_import_template_fr_test/products/5228857000839.json
index f3c26a4586828..2261f1671f74d 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/openfoodfacts_import_template_fr_test/products/5228857000839.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/openfoodfacts_import_template_fr_test/products/5228857000839.json
@@ -356,7 +356,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "labels" : "Bio",
    "labels_hierarchy" : [
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390017165.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390017165.json
index 2add933ca99a2..3f52585fc50ef 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390017165.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390017165.json
@@ -366,7 +366,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020745.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020745.json
index bbac43f281fd5..c735da33750ca 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020745.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020745.json
@@ -363,7 +363,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020806.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020806.json
index 2135aed063c84..2a114b17b580f 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020806.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020806.json
@@ -352,7 +352,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020998.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020998.json
index 2e69f2fdde890..5ad1183f5cf7e 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020998.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390020998.json
@@ -366,7 +366,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021001.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021001.json
index c246a6765bc29..b554499faa274 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021001.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021001.json
@@ -360,7 +360,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021469.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021469.json
index cc2b38f9a7ff8..d32494bb6657c 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021469.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021469.json
@@ -357,7 +357,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021544.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021544.json
index e7f4d1f6810a7..9c1dd6da11cdd 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021544.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021544.json
@@ -360,7 +360,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021568.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021568.json
index 3d90673f05584..d237e05821c75 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021568.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021568.json
@@ -358,7 +358,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021926.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021926.json
index 6bb71926f6521..a030ac7482be1 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021926.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390021926.json
@@ -350,7 +350,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024781.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024781.json
index 138dcaffe1b5b..04807e0d92b88 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024781.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024781.json
@@ -385,7 +385,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024804.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024804.json
index ddb53c1e2a985..67cc7fa5bd6de 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024804.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024804.json
@@ -374,7 +374,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024842.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024842.json
index 5a6d0dffb9d05..535fc16d5694f 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024842.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024842.json
@@ -375,7 +375,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024866.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024866.json
index abb75ed9003fe..edf4c50df49ef 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024866.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390024866.json
@@ -375,7 +375,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390025399.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390025399.json
index 59c8b7c167a8a..de3e4b45f4a5c 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390025399.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390025399.json
@@ -367,7 +367,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390025863.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390025863.json
index dc1713bc4c5f2..84dee2218395f 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390025863.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390025863.json
@@ -349,7 +349,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026044.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026044.json
index 061e70f1302f4..c0e08ac48d822 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026044.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026044.json
@@ -371,7 +371,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026648.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026648.json
index bf1c19d63884d..871de48f83e52 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026648.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026648.json
@@ -386,7 +386,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026754.json b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026754.json
index a7dedcf8f5333..6b5c7d8ac7f49 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026754.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/packagings-mousquetaires/products/3250390026754.json
@@ -368,7 +368,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/test/products/4270190128403.json b/tests/integration/expected_test_results/convert_and_import_excel_file/test/products/4270190128403.json
index 8d53270909b5d..a3b7c98fd52d0 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/test/products/4270190128403.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/test/products/4270190128403.json
@@ -10,7 +10,7 @@
    "additives_tags" : [],
    "allergens" : "",
    "allergens_from_ingredients" : "",
-   "allergens_from_user" : "(fr) ",
+   "allergens_from_user" : "(en) ",
    "allergens_hierarchy" : [],
    "allergens_tags" : [],
    "amino_acids_tags" : [],
@@ -651,7 +651,7 @@
    ],
    "traces" : "",
    "traces_from_ingredients" : "",
-   "traces_from_user" : "(fr) ",
+   "traces_from_user" : "(en) ",
    "traces_hierarchy" : [],
    "traces_tags" : [],
    "unknown_ingredients_n" : 2,
diff --git a/tests/integration/expected_test_results/convert_and_import_excel_file/test/products/7270190128403.json b/tests/integration/expected_test_results/convert_and_import_excel_file/test/products/7270190128403.json
index 1332e04c6dd65..31342c366487f 100644
--- a/tests/integration/expected_test_results/convert_and_import_excel_file/test/products/7270190128403.json
+++ b/tests/integration/expected_test_results/convert_and_import_excel_file/test/products/7270190128403.json
@@ -339,7 +339,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "en",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "en",
    "lang_imported" : "en",
diff --git a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006001.json b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006001.json
index 72b5631d1a978..0b30d87ed49f0 100644
--- a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006001.json
+++ b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006001.json
@@ -535,7 +535,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006002.json b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006002.json
index ac8ae80c5aab1..b9075e85df34d 100644
--- a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006002.json
+++ b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006002.json
@@ -350,7 +350,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006003.json b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006003.json
index d94278adb1a2f..2651981634b48 100644
--- a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006003.json
+++ b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006003.json
@@ -345,7 +345,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006004.json b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006004.json
index 080b9f37c9848..180f48bae46c0 100644
--- a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006004.json
+++ b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006004.json
@@ -557,7 +557,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "en",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "en",
    "lang_imported" : "en",
diff --git a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006005.json b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006005.json
index 84180a02edf9b..e29f4738fb588 100644
--- a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006005.json
+++ b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006005.json
@@ -360,7 +360,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "en",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "en",
    "lang_imported" : "en",
diff --git a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006006.json b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006006.json
index ccb7b6e58e693..f254390d6de3f 100644
--- a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006006.json
+++ b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006006.json
@@ -354,7 +354,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "en",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "en",
    "lang_imported" : "en",
diff --git a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006007.json b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006007.json
index 96a81d1b13611..3bc0ce9bb66f1 100644
--- a/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006007.json
+++ b/tests/integration/expected_test_results/import_csv_file/replace_existing_values/3003004006007.json
@@ -348,7 +348,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "en",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "en",
    "lang_imported" : "en",
diff --git a/tests/integration/expected_test_results/import_csv_file/test/2003004006001.json b/tests/integration/expected_test_results/import_csv_file/test/2003004006001.json
index c5a0ccd263756..6d64d374fbeca 100644
--- a/tests/integration/expected_test_results/import_csv_file/test/2003004006001.json
+++ b/tests/integration/expected_test_results/import_csv_file/test/2003004006001.json
@@ -527,7 +527,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/import_csv_file/test/2003004006002.json b/tests/integration/expected_test_results/import_csv_file/test/2003004006002.json
index bb707337b2b0f..14e7464fb2c0c 100644
--- a/tests/integration/expected_test_results/import_csv_file/test/2003004006002.json
+++ b/tests/integration/expected_test_results/import_csv_file/test/2003004006002.json
@@ -342,7 +342,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/import_csv_file/test/2003004006003.json b/tests/integration/expected_test_results/import_csv_file/test/2003004006003.json
index 30ef6afc6997b..ae9decaccbc0e 100644
--- a/tests/integration/expected_test_results/import_csv_file/test/2003004006003.json
+++ b/tests/integration/expected_test_results/import_csv_file/test/2003004006003.json
@@ -345,7 +345,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "fr",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "fr",
    "lang_imported" : "fr",
diff --git a/tests/integration/expected_test_results/import_csv_file/test/2003004006004.json b/tests/integration/expected_test_results/import_csv_file/test/2003004006004.json
index 8a43b33f29fe0..1789cfc7537ff 100644
--- a/tests/integration/expected_test_results/import_csv_file/test/2003004006004.json
+++ b/tests/integration/expected_test_results/import_csv_file/test/2003004006004.json
@@ -520,7 +520,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "en",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "en",
    "lang_imported" : "en",
diff --git a/tests/integration/expected_test_results/import_csv_file/test/2003004006005.json b/tests/integration/expected_test_results/import_csv_file/test/2003004006005.json
index 86011157e5340..e58f1e098dcd2 100644
--- a/tests/integration/expected_test_results/import_csv_file/test/2003004006005.json
+++ b/tests/integration/expected_test_results/import_csv_file/test/2003004006005.json
@@ -352,7 +352,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "en",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "en",
    "lang_imported" : "en",
diff --git a/tests/integration/expected_test_results/import_csv_file/test/2003004006006.json b/tests/integration/expected_test_results/import_csv_file/test/2003004006006.json
index 33c97172f3482..8bce71f3aacfa 100644
--- a/tests/integration/expected_test_results/import_csv_file/test/2003004006006.json
+++ b/tests/integration/expected_test_results/import_csv_file/test/2003004006006.json
@@ -352,7 +352,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "en",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "en",
    "lang_imported" : "en",
diff --git a/tests/integration/expected_test_results/import_csv_file/test/2003004006007.json b/tests/integration/expected_test_results/import_csv_file/test/2003004006007.json
index db220b11236ba..85b6d755a946a 100644
--- a/tests/integration/expected_test_results/import_csv_file/test/2003004006007.json
+++ b/tests/integration/expected_test_results/import_csv_file/test/2003004006007.json
@@ -348,7 +348,6 @@
    "informers_tags" : [
       "test-user"
    ],
-   "ingredients_lc" : "en",
    "interface_version_created" : "import_csv_file - version 2019/09/17",
    "lang" : "en",
    "lang_imported" : "en",
diff --git a/tests/integration/expected_test_results/search_v1/search-no-filter.json b/tests/integration/expected_test_results/search_v1/search-no-filter.json
index 4527dabc70356..6fa6d2ff2bb21 100644
--- a/tests/integration/expected_test_results/search_v1/search-no-filter.json
+++ b/tests/integration/expected_test_results/search_v1/search-no-filter.json
@@ -2400,7 +2400,7 @@
          "additives_tags" : [],
          "allergens" : "",
          "allergens_from_ingredients" : "apple",
-         "allergens_from_user" : "(en) ",
+         "allergens_from_user" : "(es) ",
          "allergens_hierarchy" : [
             "en:apple"
          ],
@@ -3180,7 +3180,7 @@
          ],
          "traces" : "",
          "traces_from_ingredients" : "",
-         "traces_from_user" : "(en) ",
+         "traces_from_user" : "(es) ",
          "traces_hierarchy" : [],
          "traces_tags" : [],
          "unknown_ingredients_n" : 0,
@@ -3201,7 +3201,7 @@
          "additives_tags" : [],
          "allergens" : "",
          "allergens_from_ingredients" : "apple",
-         "allergens_from_user" : "(en) ",
+         "allergens_from_user" : "(es) ",
          "allergens_hierarchy" : [
             "en:apple"
          ],
@@ -4139,7 +4139,7 @@
          ],
          "traces" : "",
          "traces_from_ingredients" : "",
-         "traces_from_user" : "(en) ",
+         "traces_from_user" : "(es) ",
          "traces_hierarchy" : [],
          "traces_tags" : [],
          "unknown_ingredients_n" : 0,
diff --git a/tests/integration/fix_non_normalized_codes.t b/tests/integration/fix_non_normalized_codes.t
index 3a41b07a80498..5b3dd772d8182 100644
--- a/tests/integration/fix_non_normalized_codes.t
+++ b/tests/integration/fix_non_normalized_codes.t
@@ -64,7 +64,7 @@ delete($default_product{'type'});
 
 # our sample data
 # testimony ok product
-my %product_ok = (%default_product, code => "2000000000001");
+my %product_ok = (%default_product, code => "2000000000001", lc => "en");
 # int code
 my %product_int_code = (%default_product, code => 2000000000002);
 my %product_int_code_deleted = (%default_product, code => 2000000000003, deleted => "on");
@@ -133,7 +133,7 @@ is($product_ref, \%product_ok);
 
 # product has no more int code
 $product_ref = retrieve_product("2000000000002");
-%fixed_product = (%product_int_code, code => "2000000000002", _id => "2000000000002");
+%fixed_product = (%product_int_code, code => "2000000000002", _id => "2000000000002", lc => "en");
 is($product_ref, \%fixed_product);
 $product_ref = $products_collection->find_id("2000000000002");
 is($product_ref, \%fixed_product);
@@ -141,7 +141,7 @@ $product_ref = $products_collection->find_id(2000000000002);
 is($product_ref, undef);
 # product has no more int code even deleted
 $product_ref = retrieve_product("2000000000003", "include_deleted");
-%fixed_product = (%product_int_code_deleted, code => "2000000000003", _id => "2000000000003");
+%fixed_product = (%product_int_code_deleted, code => "2000000000003", _id => "2000000000003", lc => "en");
 is($product_ref, \%fixed_product);
 # but not indexed
 is($products_collection->find_id("2000000000003"), undef);
@@ -154,7 +154,7 @@ is(retrieve_product("2000000000004"), undef);
 
 # product normalized
 $product_ref = retrieve_product("12345678");
-%fixed_product = (%product_non_normalized_code, code => "12345678", _id => "12345678", rev => "1");
+%fixed_product = (%product_non_normalized_code, code => "12345678", _id => "12345678", rev => "1", lc => "en");
 # pop some inconvenient field
 remove_non_relevant_fields($product_ref, \%fixed_product);
 is($product_ref, \%fixed_product);
diff --git a/tests/unit/allergens.t b/tests/unit/allergens.t
index 58634dccfe808..0995722f1fc6c 100644
--- a/tests/unit/allergens.t
+++ b/tests/unit/allergens.t
@@ -411,6 +411,8 @@ is(
 		'allergens_from_ingredients' => "Saumon, oeufs, bl\x{e9}",
 		'allergens_hierarchy' => ['en:eggs', 'en:fish', 'en:gluten', 'en:mustard'],
 		'allergens_tags' => ['en:eggs', 'en:fish', 'en:gluten', 'en:mustard'],
+		'ingredients_lc' => 'fr',
+		'ingredients_text' => "Saumon, oeufs, bl\x{e9}, chocolat",
 		'ingredients_text_fr' => "Saumon, oeufs, bl\x{e9}, chocolat",
 		'ingredients_text_with_allergens' =>
 			"<span class=\"allergen\">Saumon</span>, <span class=\"allergen\">oeufs</span>, <span class=\"allergen\">bl\x{e9}</span>, chocolat",
@@ -451,6 +453,8 @@ is(
 		'allergens_from_ingredients' => '',
 		'allergens_hierarchy' => ['en:celery', 'en:crustaceans', 'en:lupin'],
 		'allergens_tags' => ['en:celery', 'en:crustaceans', 'en:lupin'],
+		'ingredients_lc' => 'fr',
+		'ingredients_text' => 'Filet de saumon sauvage',
 		'ingredients_text_fr' => 'Filet de saumon sauvage',
 		'ingredients_text_with_allergens' => 'Filet de saumon sauvage',
 		'ingredients_text_with_allergens_fr' => 'Filet de saumon sauvage',
diff --git a/tests/unit/expected_test_results/attributes/en-ecoscore-score-at-20-threshold.json b/tests/unit/expected_test_results/attributes/en-ecoscore-score-at-20-threshold.json
index 461c56aa54489..911d886142998 100644
--- a/tests/unit/expected_test_results/attributes/en-ecoscore-score-at-20-threshold.json
+++ b/tests/unit/expected_test_results/attributes/en-ecoscore-score-at-20-threshold.json
@@ -1,12 +1,9 @@
 {
-   "additives_original_tags" : [],
-   "additives_tags" : [],
    "allergens" : "",
    "allergens_from_ingredients" : "",
    "allergens_from_user" : "(en) ",
    "allergens_hierarchy" : [],
    "allergens_tags" : [],
-   "amino_acids_tags" : [],
    "attribute_groups_en" : [
       {
          "attributes" : [
@@ -780,7 +777,6 @@
       "d"
    ],
    "food_groups_tags" : [],
-   "ingredients_lc" : "en",
    "ingredients_text" : "",
    "languages" : {},
    "languages_codes" : {},
@@ -789,7 +785,6 @@
       "en:0"
    ],
    "lc" : "en",
-   "minerals_tags" : [],
    "misc_tags" : [
       "en:ecoscore-changed",
       "en:ecoscore-computed",
@@ -821,7 +816,6 @@
    "nova_groups_tags" : [
       "unknown"
    ],
-   "nucleotides_tags" : [],
    "nutrient_levels" : {},
    "nutrient_levels_tags" : [],
    "nutriments" : {},
@@ -890,7 +884,6 @@
    "nutrition_score_debug" : "missing energy_100g - missing fat_100g - missing saturated-fat_100g - missing sugars_100g - missing sodium_100g - missing proteins_100g",
    "nutrition_score_warning_no_fiber" : 1,
    "nutrition_score_warning_no_fruits_vegetables_nuts" : 1,
-   "other_nutritional_substances_tags" : [],
    "packaging_materials_tags" : [],
    "packaging_recycling_tags" : [],
    "packaging_shapes_tags" : [],
@@ -911,6 +904,5 @@
    "traces_from_user" : "(en) ",
    "traces_hierarchy" : [],
    "traces_tags" : [],
-   "unknown_nutrients_tags" : [],
-   "vitamins_tags" : []
+   "unknown_nutrients_tags" : []
 }
diff --git a/tests/unit/expected_test_results/attributes/en-no-ingredients.json b/tests/unit/expected_test_results/attributes/en-no-ingredients.json
index 88970922c8872..4f2ccdb235c28 100644
--- a/tests/unit/expected_test_results/attributes/en-no-ingredients.json
+++ b/tests/unit/expected_test_results/attributes/en-no-ingredients.json
@@ -781,7 +781,6 @@
       "en:milk-and-dairy-products",
       "en:cheese"
    ],
-   "ingredients_lc" : "en",
    "languages" : {},
    "languages_codes" : {},
    "languages_hierarchy" : [],
diff --git a/tests/unit/expected_test_results/ecoscore/calvados-ingredients-no-origins.json b/tests/unit/expected_test_results/ecoscore/calvados-ingredients-no-origins.json
index 2b63e8852d12b..09776eb6d1922 100644
--- a/tests/unit/expected_test_results/ecoscore/calvados-ingredients-no-origins.json
+++ b/tests/unit/expected_test_results/ecoscore/calvados-ingredients-no-origins.json
@@ -269,6 +269,7 @@
       "en:wine",
       "en:alcohol"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/carrots-plastic.json b/tests/unit/expected_test_results/ecoscore/carrots-plastic.json
index 7a1fe140dc33f..7201c2ae456fd 100644
--- a/tests/unit/expected_test_results/ecoscore/carrots-plastic.json
+++ b/tests/unit/expected_test_results/ecoscore/carrots-plastic.json
@@ -427,6 +427,7 @@
       "en:root-vegetable",
       "en:taproot-vegetable"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/carrots.json b/tests/unit/expected_test_results/ecoscore/carrots.json
index 8b26b1869b09b..94e618914e079 100644
--- a/tests/unit/expected_test_results/ecoscore/carrots.json
+++ b/tests/unit/expected_test_results/ecoscore/carrots.json
@@ -431,6 +431,7 @@
       "en:root-vegetable",
       "en:taproot-vegetable"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/category-without-ecoscore-sodas.json b/tests/unit/expected_test_results/ecoscore/category-without-ecoscore-sodas.json
index 10fdbcb8684b5..c0cbb93f0402a 100644
--- a/tests/unit/expected_test_results/ecoscore/category-without-ecoscore-sodas.json
+++ b/tests/unit/expected_test_results/ecoscore/category-without-ecoscore-sodas.json
@@ -278,6 +278,7 @@
       "en:added-sugar",
       "en:disaccharide"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ecoscore/energy-drink.json b/tests/unit/expected_test_results/ecoscore/energy-drink.json
index 90dcd1ff8f9d7..0040ce5700e68 100644
--- a/tests/unit/expected_test_results/ecoscore/energy-drink.json
+++ b/tests/unit/expected_test_results/ecoscore/energy-drink.json
@@ -293,6 +293,7 @@
       "en:water",
       "en:caffeine"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ecoscore/foie-gras.json b/tests/unit/expected_test_results/ecoscore/foie-gras.json
index 5aaf352817051..64da028da3bf9 100644
--- a/tests/unit/expected_test_results/ecoscore/foie-gras.json
+++ b/tests/unit/expected_test_results/ecoscore/foie-gras.json
@@ -444,6 +444,7 @@
       "en:duck",
       "en:duck-liver"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/fr-verseur-en-plastique.json b/tests/unit/expected_test_results/ecoscore/fr-verseur-en-plastique.json
index 05cbba720a8c0..22f4b29fd1356 100644
--- a/tests/unit/expected_test_results/ecoscore/fr-verseur-en-plastique.json
+++ b/tests/unit/expected_test_results/ecoscore/fr-verseur-en-plastique.json
@@ -459,6 +459,7 @@
       "en:olive-oil",
       "en:virgin-olive-oil"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/fr-viande-porcine-francaise.json b/tests/unit/expected_test_results/ecoscore/fr-viande-porcine-francaise.json
index f877d9e2ae821..e94f6ca12d31f 100644
--- a/tests/unit/expected_test_results/ecoscore/fr-viande-porcine-francaise.json
+++ b/tests/unit/expected_test_results/ecoscore/fr-viande-porcine-francaise.json
@@ -486,6 +486,7 @@
       "en:egg",
       "en:salt"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ecoscore/fresh-vegetable.json b/tests/unit/expected_test_results/ecoscore/fresh-vegetable.json
index ab341264d76d2..d8c499b455ed4 100644
--- a/tests/unit/expected_test_results/ecoscore/fresh-vegetable.json
+++ b/tests/unit/expected_test_results/ecoscore/fresh-vegetable.json
@@ -276,6 +276,7 @@
       "en:vegetable",
       "en:fruit-vegetable"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/frozen-vegetable.json b/tests/unit/expected_test_results/ecoscore/frozen-vegetable.json
index b906ef617e621..dd80ca4b50194 100644
--- a/tests/unit/expected_test_results/ecoscore/frozen-vegetable.json
+++ b/tests/unit/expected_test_results/ecoscore/frozen-vegetable.json
@@ -434,6 +434,7 @@
       "en:root-vegetable",
       "en:taproot-vegetable"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/grade-a-with-non-recyclable-label.json b/tests/unit/expected_test_results/ecoscore/grade-a-with-non-recyclable-label.json
index 74482ed72a619..0af548ae36664 100644
--- a/tests/unit/expected_test_results/ecoscore/grade-a-with-non-recyclable-label.json
+++ b/tests/unit/expected_test_results/ecoscore/grade-a-with-non-recyclable-label.json
@@ -478,6 +478,7 @@
       "en:vegetable-oil-and-fat",
       "en:rapeseed-oil"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ecoscore/grade-a-with-recyclable-label.json b/tests/unit/expected_test_results/ecoscore/grade-a-with-recyclable-label.json
index c11669e33ec8c..d3b85c46004dc 100644
--- a/tests/unit/expected_test_results/ecoscore/grade-a-with-recyclable-label.json
+++ b/tests/unit/expected_test_results/ecoscore/grade-a-with-recyclable-label.json
@@ -478,6 +478,7 @@
       "en:vegetable-oil-and-fat",
       "en:rapeseed-oil"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ecoscore/lamb-leg.json b/tests/unit/expected_test_results/ecoscore/lamb-leg.json
index 537c580396786..66b0f79b28f1a 100644
--- a/tests/unit/expected_test_results/ecoscore/lamb-leg.json
+++ b/tests/unit/expected_test_results/ecoscore/lamb-leg.json
@@ -427,6 +427,7 @@
       "en:sheep",
       "en:lamb"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/milk.json b/tests/unit/expected_test_results/ecoscore/milk.json
index a8835d786cd4b..67fc8ccfde32b 100644
--- a/tests/unit/expected_test_results/ecoscore/milk.json
+++ b/tests/unit/expected_test_results/ecoscore/milk.json
@@ -440,6 +440,7 @@
       "en:milk",
       "en:dairy"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-in-origins-field-multiple.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-in-origins-field-multiple.json
index 08e13364b6ca0..d5166a5e58f9d 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-in-origins-field-multiple.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-in-origins-field-multiple.json
@@ -462,6 +462,7 @@
       "en:juice",
       "en:fruit-juice"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-in-origins-field.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-in-origins-field.json
index 279cccffba485..a6df523aabac7 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-in-origins-field.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-in-origins-field.json
@@ -457,6 +457,7 @@
       "en:juice",
       "en:fruit-juice"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-nested-2.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-nested-2.json
index f1b658fc74857..9959fa95a6bb8 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-nested-2.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-nested-2.json
@@ -497,6 +497,7 @@
       "en:sweetener",
       "en:e951"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 7,
    "ingredients_n_tags" : [
       "7",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-nested.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-nested.json
index 90efc35d6af6d..827dd2cc245ab 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-nested.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-nested.json
@@ -459,6 +459,7 @@
       "en:colour",
       "en:e160b"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-not-specified.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-not-specified.json
index ade5fa6ba6016..c4cba6790d9ad 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-not-specified.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-not-specified.json
@@ -454,6 +454,7 @@
       "en:juice",
       "en:fruit-juice"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-partly-specified.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-partly-specified.json
index 5a4426bbf9c62..e1ad030f81fa8 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-partly-specified.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-partly-specified.json
@@ -457,6 +457,7 @@
       "en:juice",
       "en:fruit-juice"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-specified-multiple.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-specified-multiple.json
index 1eb63dc019fe6..71cd7b658883d 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-specified-multiple.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-specified-multiple.json
@@ -474,6 +474,7 @@
       "en:juice",
       "en:fruit-juice"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-specified.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-specified.json
index e6f2a6df5dcd0..558d5dcc02210 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-specified.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-specified.json
@@ -463,6 +463,7 @@
       "en:juice",
       "en:fruit-juice"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-unknown-origin.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-unknown-origin.json
index f37060a9e499f..3bf979faada2a 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-unknown-origin.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-unknown-origin.json
@@ -426,6 +426,7 @@
       "en:milk",
       "en:dairy"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-unspecified-origin.json b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-unspecified-origin.json
index 5c60bac5998e4..b8b7230a64a1a 100644
--- a/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-unspecified-origin.json
+++ b/tests/unit/expected_test_results/ecoscore/origins-of-ingredients-unspecified-origin.json
@@ -423,6 +423,7 @@
       "en:milk",
       "en:dairy"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/packaging-fr-new-shapes.json b/tests/unit/expected_test_results/ecoscore/packaging-fr-new-shapes.json
index b142934090131..132d77cb444f7 100644
--- a/tests/unit/expected_test_results/ecoscore/packaging-fr-new-shapes.json
+++ b/tests/unit/expected_test_results/ecoscore/packaging-fr-new-shapes.json
@@ -458,6 +458,7 @@
       "en:wheat",
       "en:cereal"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/packaging-unspecified-no-a-eco-score.json b/tests/unit/expected_test_results/ecoscore/packaging-unspecified-no-a-eco-score.json
index ab193beac3405..0adccdfbbecb7 100644
--- a/tests/unit/expected_test_results/ecoscore/packaging-unspecified-no-a-eco-score.json
+++ b/tests/unit/expected_test_results/ecoscore/packaging-unspecified-no-a-eco-score.json
@@ -419,6 +419,7 @@
       "en:wheat",
       "en:cereal"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/sum-of-bonuses-greater-than-25.json b/tests/unit/expected_test_results/ecoscore/sum-of-bonuses-greater-than-25.json
index bc9d863c9c825..c3c545380c299 100644
--- a/tests/unit/expected_test_results/ecoscore/sum-of-bonuses-greater-than-25.json
+++ b/tests/unit/expected_test_results/ecoscore/sum-of-bonuses-greater-than-25.json
@@ -435,6 +435,7 @@
       "en:chicken",
       "en:poultry"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/track-ecoscore-changes.json b/tests/unit/expected_test_results/ecoscore/track-ecoscore-changes.json
index 1c5e7050374b0..50fcc68f77525 100644
--- a/tests/unit/expected_test_results/ecoscore/track-ecoscore-changes.json
+++ b/tests/unit/expected_test_results/ecoscore/track-ecoscore-changes.json
@@ -451,6 +451,7 @@
       "en:duck",
       "en:duck-liver"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/track-ecoscore-no-change.json b/tests/unit/expected_test_results/ecoscore/track-ecoscore-no-change.json
index b0a4d6ddd6410..915a95ea4d315 100644
--- a/tests/unit/expected_test_results/ecoscore/track-ecoscore-no-change.json
+++ b/tests/unit/expected_test_results/ecoscore/track-ecoscore-no-change.json
@@ -444,6 +444,7 @@
       "en:duck",
       "en:duck-liver"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/track-ecoscore-same-grade.json b/tests/unit/expected_test_results/ecoscore/track-ecoscore-same-grade.json
index 8fe7ea6f2052b..1927d2688ecc8 100644
--- a/tests/unit/expected_test_results/ecoscore/track-ecoscore-same-grade.json
+++ b/tests/unit/expected_test_results/ecoscore/track-ecoscore-same-grade.json
@@ -451,6 +451,7 @@
       "en:duck",
       "en:duck-liver"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/track-ecoscore-tags-retained.json b/tests/unit/expected_test_results/ecoscore/track-ecoscore-tags-retained.json
index 76f5bd566fb5f..1c9ee9054b22c 100644
--- a/tests/unit/expected_test_results/ecoscore/track-ecoscore-tags-retained.json
+++ b/tests/unit/expected_test_results/ecoscore/track-ecoscore-tags-retained.json
@@ -449,6 +449,7 @@
       "en:duck",
       "en:duck-liver"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ecoscore/uk-milk.json b/tests/unit/expected_test_results/ecoscore/uk-milk.json
index 6690f146a31b7..9897d99b1eb67 100644
--- a/tests/unit/expected_test_results/ecoscore/uk-milk.json
+++ b/tests/unit/expected_test_results/ecoscore/uk-milk.json
@@ -443,6 +443,7 @@
       "en:milk",
       "en:dairy"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-filet-de-poulet-bio-oeuf-label-rouge-os-de-poulet-igp.json b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-filet-de-poulet-bio-oeuf-label-rouge-os-de-poulet-igp.json
index 45b41f050df80..a86e9ece7851d 100644
--- a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-filet-de-poulet-bio-oeuf-label-rouge-os-de-poulet-igp.json
+++ b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-filet-de-poulet-bio-oeuf-label-rouge-os-de-poulet-igp.json
@@ -132,6 +132,7 @@
       "en:chicken-bone",
       "en:bone"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-filet-de-poulet-bio.json b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-filet-de-poulet-bio.json
index fd5ab0e2235c3..4d56cc32dff7b 100644
--- a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-filet-de-poulet-bio.json
+++ b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-filet-de-poulet-bio.json
@@ -59,6 +59,7 @@
       "en:chicken",
       "en:chicken-meat"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-lait.json b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-lait.json
index 3230bfd9455a8..e49382614d696 100644
--- a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-lait.json
+++ b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-lait.json
@@ -27,6 +27,7 @@
       "en:milk",
       "en:dairy"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-nested-matching-ingredient.json b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-nested-matching-ingredient.json
index 6a65319f0c59f..e0bba1f843c2c 100644
--- a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-nested-matching-ingredient.json
+++ b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-nested-matching-ingredient.json
@@ -98,6 +98,7 @@
       "en:water",
       "en:brine"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-nested-matching-sub-ingredient.json b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-nested-matching-sub-ingredient.json
index 68cf72ba0f44a..b8c2adb50b626 100644
--- a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-nested-matching-sub-ingredient.json
+++ b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-nested-matching-sub-ingredient.json
@@ -103,6 +103,7 @@
       "en:water",
       "en:brine"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-poulet-du-gers.json b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-poulet-du-gers.json
index 61c3b04590925..a692099e61635 100644
--- a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-poulet-du-gers.json
+++ b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-poulet-du-gers.json
@@ -57,6 +57,7 @@
       "en:chicken",
       "en:poultry"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-poulet.json b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-poulet.json
index aa906338d0766..0560663119576 100644
--- a/tests/unit/expected_test_results/forest_footprint/fr-ingredients-poulet.json
+++ b/tests/unit/expected_test_results/forest_footprint/fr-ingredients-poulet.json
@@ -51,6 +51,7 @@
       "en:chicken",
       "en:poultry"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/ca-middle-dot.json b/tests/unit/expected_test_results/ingredients/ca-middle-dot.json
index e51c9c66a16d8..c19929f99bfc0 100644
--- a/tests/unit/expected_test_results/ingredients/ca-middle-dot.json
+++ b/tests/unit/expected_test_results/ingredients/ca-middle-dot.json
@@ -110,6 +110,7 @@
       "en:coagulating-enzyme",
       "en:e460"
    ],
+   "ingredients_lc" : "ca",
    "ingredients_n" : 7,
    "ingredients_n_tags" : [
       "7",
diff --git a/tests/unit/expected_test_results/ingredients/en-allergens-in-parenthesis.json b/tests/unit/expected_test_results/ingredients/en-allergens-in-parenthesis.json
index 307d2643049eb..de76b66026f40 100644
--- a/tests/unit/expected_test_results/ingredients/en-allergens-in-parenthesis.json
+++ b/tests/unit/expected_test_results/ingredients/en-allergens-in-parenthesis.json
@@ -127,6 +127,7 @@
       "en:salt",
       "en:water"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 8,
    "ingredients_n_tags" : [
       "8",
diff --git a/tests/unit/expected_test_results/ingredients/en-category-types.json b/tests/unit/expected_test_results/ingredients/en-category-types.json
index 3c65885a49cb5..51183491e9574 100644
--- a/tests/unit/expected_test_results/ingredients/en-category-types.json
+++ b/tests/unit/expected_test_results/ingredients/en-category-types.json
@@ -70,6 +70,7 @@
       "en:vegetable-fat",
       "en:sunflower-fat"
    ],
+   "ingredients_lc" : "de",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/en-comma-and-pepper.json b/tests/unit/expected_test_results/ingredients/en-comma-and-pepper.json
index fb4b4b44021b3..ab09ab5ae5be5 100644
--- a/tests/unit/expected_test_results/ingredients/en-comma-and-pepper.json
+++ b/tests/unit/expected_test_results/ingredients/en-comma-and-pepper.json
@@ -49,6 +49,7 @@
       "en:pepper",
       "en:seed"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/en-content-of-ingredient.json b/tests/unit/expected_test_results/ingredients/en-content-of-ingredient.json
index 56de8a7940381..cb9b97e229783 100644
--- a/tests/unit/expected_test_results/ingredients/en-content-of-ingredient.json
+++ b/tests/unit/expected_test_results/ingredients/en-content-of-ingredient.json
@@ -1,6 +1,7 @@
 {
    "ingredients" : [],
    "ingredients_hierarchy" : [],
+   "ingredients_lc" : "en",
    "ingredients_n" : 0,
    "ingredients_n_tags" : [
       "0",
diff --git a/tests/unit/expected_test_results/ingredients/en-emulsifier-synonyms.json b/tests/unit/expected_test_results/ingredients/en-emulsifier-synonyms.json
index 23118fd8c557a..f0f4442060cf5 100644
--- a/tests/unit/expected_test_results/ingredients/en-emulsifier-synonyms.json
+++ b/tests/unit/expected_test_results/ingredients/en-emulsifier-synonyms.json
@@ -88,6 +88,7 @@
       "en:e412",
       "en:e410"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 6,
    "ingredients_n_tags" : [
       "6",
diff --git a/tests/unit/expected_test_results/ingredients/en-flavour-synonyms.json b/tests/unit/expected_test_results/ingredients/en-flavour-synonyms.json
index 0ac92aafa012a..a933d6068ce9a 100644
--- a/tests/unit/expected_test_results/ingredients/en-flavour-synonyms.json
+++ b/tests/unit/expected_test_results/ingredients/en-flavour-synonyms.json
@@ -42,6 +42,7 @@
       "en:natural-flavouring",
       "en:lemon-flavouring"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-fruits-sub-ingredients.json b/tests/unit/expected_test_results/ingredients/en-fruits-sub-ingredients.json
index b87d495ca0187..39c32f18cece2 100644
--- a/tests/unit/expected_test_results/ingredients/en-fruits-sub-ingredients.json
+++ b/tests/unit/expected_test_results/ingredients/en-fruits-sub-ingredients.json
@@ -92,6 +92,7 @@
       "en:lemon",
       "en:citrus-fruit"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 6,
    "ingredients_n_tags" : [
       "6",
diff --git a/tests/unit/expected_test_results/ingredients/en-illegal-division-by-zero.json b/tests/unit/expected_test_results/ingredients/en-illegal-division-by-zero.json
index 02db941a5f05c..ecbdd92d0a660 100644
--- a/tests/unit/expected_test_results/ingredients/en-illegal-division-by-zero.json
+++ b/tests/unit/expected_test_results/ingredients/en-illegal-division-by-zero.json
@@ -44,6 +44,7 @@
       "en:each-capsule-contains",
       "en:paracetamol-500-m-5-060198-790"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-ing1-and-ing2-processing-parenthesis.json b/tests/unit/expected_test_results/ingredients/en-ing1-and-ing2-processing-parenthesis.json
index 67e31b1fad811..fa3fca5ec9692 100644
--- a/tests/unit/expected_test_results/ingredients/en-ing1-and-ing2-processing-parenthesis.json
+++ b/tests/unit/expected_test_results/ingredients/en-ing1-and-ing2-processing-parenthesis.json
@@ -109,6 +109,7 @@
       "en:taproot-vegetable",
       "en:radish"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 7,
    "ingredients_n_tags" : [
       "7",
diff --git a/tests/unit/expected_test_results/ingredients/en-ing1-and-ing2-processing.json b/tests/unit/expected_test_results/ingredients/en-ing1-and-ing2-processing.json
index f4b012877d8ef..08a98b8e611f6 100644
--- a/tests/unit/expected_test_results/ingredients/en-ing1-and-ing2-processing.json
+++ b/tests/unit/expected_test_results/ingredients/en-ing1-and-ing2-processing.json
@@ -253,6 +253,7 @@
       "en:orange",
       "en:caramelized-unknown-fruit4"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 18,
    "ingredients_n_tags" : [
       "18",
diff --git a/tests/unit/expected_test_results/ingredients/en-ingredient-content.json b/tests/unit/expected_test_results/ingredients/en-ingredient-content.json
index 63c2cbb58972d..75e000b5c43e4 100644
--- a/tests/unit/expected_test_results/ingredients/en-ingredient-content.json
+++ b/tests/unit/expected_test_results/ingredients/en-ingredient-content.json
@@ -1,6 +1,7 @@
 {
    "ingredients" : [],
    "ingredients_hierarchy" : [],
+   "ingredients_lc" : "en",
    "ingredients_n" : 0,
    "ingredients_n_tags" : [
       "0",
diff --git a/tests/unit/expected_test_results/ingredients/en-ingredients-analysis-unknown-ingredients.json b/tests/unit/expected_test_results/ingredients/en-ingredients-analysis-unknown-ingredients.json
index 75b1872c31ed1..e51f22edcec5a 100644
--- a/tests/unit/expected_test_results/ingredients/en-ingredients-analysis-unknown-ingredients.json
+++ b/tests/unit/expected_test_results/ingredients/en-ingredients-analysis-unknown-ingredients.json
@@ -122,6 +122,7 @@
       "en:condiment",
       "en:water"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 8,
    "ingredients_n_tags" : [
       "8",
diff --git a/tests/unit/expected_test_results/ingredients/en-ingredients-in-parenthesis-that-are-in-the-allergens-taxonomy.json b/tests/unit/expected_test_results/ingredients/en-ingredients-in-parenthesis-that-are-in-the-allergens-taxonomy.json
index 5e41f24bbb82f..3ca47aaf62a1f 100644
--- a/tests/unit/expected_test_results/ingredients/en-ingredients-in-parenthesis-that-are-in-the-allergens-taxonomy.json
+++ b/tests/unit/expected_test_results/ingredients/en-ingredients-in-parenthesis-that-are-in-the-allergens-taxonomy.json
@@ -59,6 +59,7 @@
       "en:cheese",
       "en:parmigiano-reggiano"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/en-kosher.json b/tests/unit/expected_test_results/ingredients/en-kosher.json
index d0a4be892442d..afa74278e1588 100644
--- a/tests/unit/expected_test_results/ingredients/en-kosher.json
+++ b/tests/unit/expected_test_results/ingredients/en-kosher.json
@@ -61,6 +61,7 @@
       "en:beef",
       "en:e428"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/en-mechanicaly-separated-meat.json b/tests/unit/expected_test_results/ingredients/en-mechanicaly-separated-meat.json
index 34d7b1639fb02..db0050a5f7431 100644
--- a/tests/unit/expected_test_results/ingredients/en-mechanicaly-separated-meat.json
+++ b/tests/unit/expected_test_results/ingredients/en-mechanicaly-separated-meat.json
@@ -28,6 +28,7 @@
    "ingredients_hierarchy" : [
       "en:mechanicaly-separated-poultry-meat"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/en-nova-4-fruit-juice-concentrates.json b/tests/unit/expected_test_results/ingredients/en-nova-4-fruit-juice-concentrates.json
index aab9d69cb8074..d66bd449f6f6b 100644
--- a/tests/unit/expected_test_results/ingredients/en-nova-4-fruit-juice-concentrates.json
+++ b/tests/unit/expected_test_results/ingredients/en-nova-4-fruit-juice-concentrates.json
@@ -28,6 +28,7 @@
       "en:apple",
       "en:fruit-juice"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/en-origin-and.json b/tests/unit/expected_test_results/ingredients/en-origin-and.json
index 82073a34c30f8..3284a7cac1168 100644
--- a/tests/unit/expected_test_results/ingredients/en-origin-and.json
+++ b/tests/unit/expected_test_results/ingredients/en-origin-and.json
@@ -25,6 +25,7 @@
       "en:vegetable",
       "en:fruit-vegetable"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/en-origin-field-with-commas-and.json b/tests/unit/expected_test_results/ingredients/en-origin-field-with-commas-and.json
index 8d5b77028fcb0..e2ca0df192c5e 100644
--- a/tests/unit/expected_test_results/ingredients/en-origin-field-with-commas-and.json
+++ b/tests/unit/expected_test_results/ingredients/en-origin-field-with-commas-and.json
@@ -44,6 +44,7 @@
       "en:added-sugar",
       "en:disaccharide"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-origin-field-with-commas.json b/tests/unit/expected_test_results/ingredients/en-origin-field-with-commas.json
index b125c498f8175..495c93990d0dc 100644
--- a/tests/unit/expected_test_results/ingredients/en-origin-field-with-commas.json
+++ b/tests/unit/expected_test_results/ingredients/en-origin-field-with-commas.json
@@ -43,6 +43,7 @@
       "en:added-sugar",
       "en:disaccharide"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-origin-field-with-not-taxonomized-entries.json b/tests/unit/expected_test_results/ingredients/en-origin-field-with-not-taxonomized-entries.json
index 9d747d6d4a7d1..0c80853505930 100644
--- a/tests/unit/expected_test_results/ingredients/en-origin-field-with-not-taxonomized-entries.json
+++ b/tests/unit/expected_test_results/ingredients/en-origin-field-with-not-taxonomized-entries.json
@@ -57,6 +57,7 @@
       "en:some-unknown-ingredient",
       "en:another-unknown-ingredient"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/en-origin-field.json b/tests/unit/expected_test_results/ingredients/en-origin-field.json
index 23b2b5b1a9d30..b8d4c8d82c2d9 100644
--- a/tests/unit/expected_test_results/ingredients/en-origin-field.json
+++ b/tests/unit/expected_test_results/ingredients/en-origin-field.json
@@ -96,6 +96,7 @@
       "en:vegetable",
       "en:fruit-vegetable"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 6,
    "ingredients_n_tags" : [
       "6",
diff --git a/tests/unit/expected_test_results/ingredients/en-origin-ingredient-from-origin.json b/tests/unit/expected_test_results/ingredients/en-origin-ingredient-from-origin.json
index f3d6e303ff464..15f2400fdc2d4 100644
--- a/tests/unit/expected_test_results/ingredients/en-origin-ingredient-from-origin.json
+++ b/tests/unit/expected_test_results/ingredients/en-origin-ingredient-from-origin.json
@@ -40,6 +40,7 @@
       "en:bell-pepper",
       "en:yellow-bell-pepper"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-origin-ingredient-origin-and-origin.json b/tests/unit/expected_test_results/ingredients/en-origin-ingredient-origin-and-origin.json
index bb3eb43740871..09ba39fdba0a8 100644
--- a/tests/unit/expected_test_results/ingredients/en-origin-ingredient-origin-and-origin.json
+++ b/tests/unit/expected_test_results/ingredients/en-origin-ingredient-origin-and-origin.json
@@ -40,6 +40,7 @@
       "en:bell-pepper",
       "en:yellow-bell-pepper"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-origins-u.json b/tests/unit/expected_test_results/ingredients/en-origins-u.json
index edc4d55a6d2ad..0a4e4e83ce313 100644
--- a/tests/unit/expected_test_results/ingredients/en-origins-u.json
+++ b/tests/unit/expected_test_results/ingredients/en-origins-u.json
@@ -42,6 +42,7 @@
       "en:something",
       "en:u"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-origins.json b/tests/unit/expected_test_results/ingredients/en-origins.json
index 306731a616e40..8b2001a032cfd 100644
--- a/tests/unit/expected_test_results/ingredients/en-origins.json
+++ b/tests/unit/expected_test_results/ingredients/en-origins.json
@@ -103,6 +103,7 @@
       "en:juice",
       "en:fruit-juice"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 6,
    "ingredients_n_tags" : [
       "6",
diff --git a/tests/unit/expected_test_results/ingredients/en-prepared-with.json b/tests/unit/expected_test_results/ingredients/en-prepared-with.json
index b85e13b978af2..f7fa3cc77b3ed 100644
--- a/tests/unit/expected_test_results/ingredients/en-prepared-with.json
+++ b/tests/unit/expected_test_results/ingredients/en-prepared-with.json
@@ -1,6 +1,7 @@
 {
    "ingredients" : [],
    "ingredients_hierarchy" : [],
+   "ingredients_lc" : "en",
    "ingredients_n" : 0,
    "ingredients_n_tags" : [
       "0",
diff --git a/tests/unit/expected_test_results/ingredients/en-quantity-of-ingredient.json b/tests/unit/expected_test_results/ingredients/en-quantity-of-ingredient.json
index b65cd1fe74d52..50f8b2ca476ee 100644
--- a/tests/unit/expected_test_results/ingredients/en-quantity-of-ingredient.json
+++ b/tests/unit/expected_test_results/ingredients/en-quantity-of-ingredient.json
@@ -74,6 +74,7 @@
       "en:oil-and-fat",
       "en:vegetable-oil-and-fat"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/en-quantity-per-100g.json b/tests/unit/expected_test_results/ingredients/en-quantity-per-100g.json
index 05df853fcb079..01a7ecbc6d524 100644
--- a/tests/unit/expected_test_results/ingredients/en-quantity-per-100g.json
+++ b/tests/unit/expected_test_results/ingredients/en-quantity-per-100g.json
@@ -45,6 +45,7 @@
       "en:pork",
       "en:animal"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-some-unknown-ingredient-and-salt.json b/tests/unit/expected_test_results/ingredients/en-some-unknown-ingredient-and-salt.json
index dde39ee61041c..7d8cb434ff380 100644
--- a/tests/unit/expected_test_results/ingredients/en-some-unknown-ingredient-and-salt.json
+++ b/tests/unit/expected_test_results/ingredients/en-some-unknown-ingredient-and-salt.json
@@ -40,6 +40,7 @@
       "en:some-unknown-ingredient",
       "en:salt"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-specific-ingredients-multiple-strings-of-one-ingredient.json b/tests/unit/expected_test_results/ingredients/en-specific-ingredients-multiple-strings-of-one-ingredient.json
index d8f90cab80ce1..a81525e693641 100644
--- a/tests/unit/expected_test_results/ingredients/en-specific-ingredients-multiple-strings-of-one-ingredient.json
+++ b/tests/unit/expected_test_results/ingredients/en-specific-ingredients-multiple-strings-of-one-ingredient.json
@@ -56,6 +56,7 @@
       "en:added-sugar",
       "en:disaccharide"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/en-specific-ingredients.json b/tests/unit/expected_test_results/ingredients/en-specific-ingredients.json
index d0bd23fbb8d0c..096d038a2eeb5 100644
--- a/tests/unit/expected_test_results/ingredients/en-specific-ingredients.json
+++ b/tests/unit/expected_test_results/ingredients/en-specific-ingredients.json
@@ -55,6 +55,7 @@
       "en:added-sugar",
       "en:disaccharide"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/en-vegetal-ingredients.json b/tests/unit/expected_test_results/ingredients/en-vegetal-ingredients.json
index 3e3bbf5da1c28..f24459e7050d0 100644
--- a/tests/unit/expected_test_results/ingredients/en-vegetal-ingredients.json
+++ b/tests/unit/expected_test_results/ingredients/en-vegetal-ingredients.json
@@ -75,6 +75,7 @@
       "en:coagulating-enzyme",
       "en:flavouring"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 5,
    "ingredients_n_tags" : [
       "5",
diff --git a/tests/unit/expected_test_results/ingredients/en-vitamin.json b/tests/unit/expected_test_results/ingredients/en-vitamin.json
index 50e9ea8fa886e..401d20f836d5a 100644
--- a/tests/unit/expected_test_results/ingredients/en-vitamin.json
+++ b/tests/unit/expected_test_results/ingredients/en-vitamin.json
@@ -33,6 +33,7 @@
       "en:vitamins",
       "en:salt"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/en-wheat-flour-organic-gluten-free.json b/tests/unit/expected_test_results/ingredients/en-wheat-flour-organic-gluten-free.json
index ae9870794aae3..e89f53ed8185a 100644
--- a/tests/unit/expected_test_results/ingredients/en-wheat-flour-organic-gluten-free.json
+++ b/tests/unit/expected_test_results/ingredients/en-wheat-flour-organic-gluten-free.json
@@ -46,6 +46,7 @@
       "en:cereal-flour",
       "en:fish"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/es-percent-loop.json b/tests/unit/expected_test_results/ingredients/es-percent-loop.json
index 4f587089a9eac..adc7b7475931d 100644
--- a/tests/unit/expected_test_results/ingredients/es-percent-loop.json
+++ b/tests/unit/expected_test_results/ingredients/es-percent-loop.json
@@ -172,6 +172,7 @@
       "en:acid",
       "en:e330"
    ],
+   "ingredients_lc" : "es",
    "ingredients_n" : 11,
    "ingredients_n_tags" : [
       "11",
diff --git a/tests/unit/expected_test_results/ingredients/es-procedente-e-agricultura-biologica.json b/tests/unit/expected_test_results/ingredients/es-procedente-e-agricultura-biologica.json
index ab38394057a07..014437204ac1b 100644
--- a/tests/unit/expected_test_results/ingredients/es-procedente-e-agricultura-biologica.json
+++ b/tests/unit/expected_test_results/ingredients/es-procedente-e-agricultura-biologica.json
@@ -47,6 +47,7 @@
       "en:lactic-ferments",
       "en:kefir-ferments"
    ],
+   "ingredients_lc" : "es",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/fi-additive.json b/tests/unit/expected_test_results/ingredients/fi-additive.json
index 26e9892c0804e..f0c5b28bc8bc0 100644
--- a/tests/unit/expected_test_results/ingredients/fi-additive.json
+++ b/tests/unit/expected_test_results/ingredients/fi-additive.json
@@ -31,6 +31,7 @@
       "en:gelling-agent",
       "en:e440a"
    ],
+   "ingredients_lc" : "fi",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/fi-additives-origins.json b/tests/unit/expected_test_results/ingredients/fi-additives-origins.json
index 5156924684181..6b453c6e77abd 100644
--- a/tests/unit/expected_test_results/ingredients/fi-additives-origins.json
+++ b/tests/unit/expected_test_results/ingredients/fi-additives-origins.json
@@ -86,6 +86,7 @@
       "en:e322",
       "en:e322i"
    ],
+   "ingredients_lc" : "fi",
    "ingredients_n" : 5,
    "ingredients_n_tags" : [
       "5",
diff --git a/tests/unit/expected_test_results/ingredients/fi-additives-percents.json b/tests/unit/expected_test_results/ingredients/fi-additives-percents.json
index a7a7d85556863..24f4172fe28a1 100644
--- a/tests/unit/expected_test_results/ingredients/fi-additives-percents.json
+++ b/tests/unit/expected_test_results/ingredients/fi-additives-percents.json
@@ -216,6 +216,7 @@
       "en:e330",
       "en:e338"
    ],
+   "ingredients_lc" : "fi",
    "ingredients_n" : 19,
    "ingredients_n_tags" : [
       "19",
diff --git a/tests/unit/expected_test_results/ingredients/fi-do-not-match-myanmar.json b/tests/unit/expected_test_results/ingredients/fi-do-not-match-myanmar.json
index c8874577395c7..69c43f6c63a7a 100644
--- a/tests/unit/expected_test_results/ingredients/fi-do-not-match-myanmar.json
+++ b/tests/unit/expected_test_results/ingredients/fi-do-not-match-myanmar.json
@@ -99,6 +99,7 @@
       "en:mustard-seed",
       "en:mustard"
    ],
+   "ingredients_lc" : "fi",
    "ingredients_n" : 7,
    "ingredients_n_tags" : [
       "7",
diff --git a/tests/unit/expected_test_results/ingredients/fi-labels.json b/tests/unit/expected_test_results/ingredients/fi-labels.json
index fae53fd37aabe..c5c4a29d2babe 100644
--- a/tests/unit/expected_test_results/ingredients/fi-labels.json
+++ b/tests/unit/expected_test_results/ingredients/fi-labels.json
@@ -50,6 +50,7 @@
       "en:fish",
       "en:oily-fish"
    ],
+   "ingredients_lc" : "fi",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/fi-organic-label-part-of-ingredient.json b/tests/unit/expected_test_results/ingredients/fi-organic-label-part-of-ingredient.json
index 1a95480a35633..4901cac1dca51 100644
--- a/tests/unit/expected_test_results/ingredients/fi-organic-label-part-of-ingredient.json
+++ b/tests/unit/expected_test_results/ingredients/fi-organic-label-part-of-ingredient.json
@@ -57,6 +57,7 @@
       "en:cereal",
       "en:malt"
    ],
+   "ingredients_lc" : "fi",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/fi-origins.json b/tests/unit/expected_test_results/ingredients/fi-origins.json
index eda4565d74e88..20d0104e62804 100644
--- a/tests/unit/expected_test_results/ingredients/fi-origins.json
+++ b/tests/unit/expected_test_results/ingredients/fi-origins.json
@@ -94,6 +94,7 @@
       "en:plant",
       "en:cocoa-butter"
    ],
+   "ingredients_lc" : "fi",
    "ingredients_n" : 6,
    "ingredients_n_tags" : [
       "6",
diff --git a/tests/unit/expected_test_results/ingredients/fi-percents.json b/tests/unit/expected_test_results/ingredients/fi-percents.json
index c629e47e5487c..98de2cb925927 100644
--- a/tests/unit/expected_test_results/ingredients/fi-percents.json
+++ b/tests/unit/expected_test_results/ingredients/fi-percents.json
@@ -55,6 +55,7 @@
       "en:apple",
       "en:malaceous-fruit"
    ],
+   "ingredients_lc" : "fi",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/fr-additive.json b/tests/unit/expected_test_results/ingredients/fr-additive.json
index a29675332262c..26e5ef5749f01 100644
--- a/tests/unit/expected_test_results/ingredients/fr-additive.json
+++ b/tests/unit/expected_test_results/ingredients/fr-additive.json
@@ -31,6 +31,7 @@
       "en:gelling-agent",
       "en:e440a"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/fr-cacao-issu-de-l-agriculture-biologique-de-madagascar.json b/tests/unit/expected_test_results/ingredients/fr-cacao-issu-de-l-agriculture-biologique-de-madagascar.json
index 99f6c3c37bdfb..293675c34440b 100644
--- a/tests/unit/expected_test_results/ingredients/fr-cacao-issu-de-l-agriculture-biologique-de-madagascar.json
+++ b/tests/unit/expected_test_results/ingredients/fr-cacao-issu-de-l-agriculture-biologique-de-madagascar.json
@@ -24,6 +24,7 @@
       "en:cocoa",
       "en:plant"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/fr-chocolate-cake.json b/tests/unit/expected_test_results/ingredients/fr-chocolate-cake.json
index f85c6b224edc9..08cf7e2fe25e7 100644
--- a/tests/unit/expected_test_results/ingredients/fr-chocolate-cake.json
+++ b/tests/unit/expected_test_results/ingredients/fr-chocolate-cake.json
@@ -215,6 +215,7 @@
       "en:e330",
       "en:e338"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 19,
    "ingredients_n_tags" : [
       "19",
diff --git a/tests/unit/expected_test_results/ingredients/fr-content-of-ingredient.json b/tests/unit/expected_test_results/ingredients/fr-content-of-ingredient.json
index 596589b2a5fe9..c063f6810ba89 100644
--- a/tests/unit/expected_test_results/ingredients/fr-content-of-ingredient.json
+++ b/tests/unit/expected_test_results/ingredients/fr-content-of-ingredient.json
@@ -1,6 +1,7 @@
 {
    "ingredients" : [],
    "ingredients_hierarchy" : [],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 0,
    "ingredients_n_tags" : [
       "0",
diff --git a/tests/unit/expected_test_results/ingredients/fr-epices-irradiees.json b/tests/unit/expected_test_results/ingredients/fr-epices-irradiees.json
index 859ab71158b5b..38b83687d83d5 100644
--- a/tests/unit/expected_test_results/ingredients/fr-epices-irradiees.json
+++ b/tests/unit/expected_test_results/ingredients/fr-epices-irradiees.json
@@ -50,6 +50,7 @@
       "en:thyme",
       "en:herb"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/fr-farines-labels-and-processes.json b/tests/unit/expected_test_results/ingredients/fr-farines-labels-and-processes.json
index 08edc2e5781a5..e0a2900b99c34 100644
--- a/tests/unit/expected_test_results/ingredients/fr-farines-labels-and-processes.json
+++ b/tests/unit/expected_test_results/ingredients/fr-farines-labels-and-processes.json
@@ -66,6 +66,7 @@
       "en:corn",
       "en:einkorn-wheat"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/fr-halal.json b/tests/unit/expected_test_results/ingredients/fr-halal.json
index 73d4fdd64b059..762658ad2d8eb 100644
--- a/tests/unit/expected_test_results/ingredients/fr-halal.json
+++ b/tests/unit/expected_test_results/ingredients/fr-halal.json
@@ -77,6 +77,7 @@
       "en:duck",
       "en:duck-liver"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/fr-huile-de-palme-certifiee-durable.json b/tests/unit/expected_test_results/ingredients/fr-huile-de-palme-certifiee-durable.json
index 66addfdb464d6..5ac46a4e56b59 100644
--- a/tests/unit/expected_test_results/ingredients/fr-huile-de-palme-certifiee-durable.json
+++ b/tests/unit/expected_test_results/ingredients/fr-huile-de-palme-certifiee-durable.json
@@ -61,6 +61,7 @@
       "en:colza-oil",
       "en:rapeseed-oil"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/fr-illegal-division-by-zero.json b/tests/unit/expected_test_results/ingredients/fr-illegal-division-by-zero.json
index 5f0e6712e4d73..b0eb12d328bd7 100644
--- a/tests/unit/expected_test_results/ingredients/fr-illegal-division-by-zero.json
+++ b/tests/unit/expected_test_results/ingredients/fr-illegal-division-by-zero.json
@@ -44,6 +44,7 @@
       "fr:analyse-moyenne-pour-1",
       "fr:1472-kj"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/fr-infinite-loop-allergens.json b/tests/unit/expected_test_results/ingredients/fr-infinite-loop-allergens.json
index 89e5cb2288bbb..c366f98a9af43 100644
--- a/tests/unit/expected_test_results/ingredients/fr-infinite-loop-allergens.json
+++ b/tests/unit/expected_test_results/ingredients/fr-infinite-loop-allergens.json
@@ -159,6 +159,7 @@
       "en:plant",
       "en:e322"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 12,
    "ingredients_n_tags" : [
       "12",
diff --git a/tests/unit/expected_test_results/ingredients/fr-ingredients-in-parenthesis-that-are-in-the-allergens-taxonomy.json b/tests/unit/expected_test_results/ingredients/fr-ingredients-in-parenthesis-that-are-in-the-allergens-taxonomy.json
index 81e258ce68c64..92f1f85bc94f8 100644
--- a/tests/unit/expected_test_results/ingredients/fr-ingredients-in-parenthesis-that-are-in-the-allergens-taxonomy.json
+++ b/tests/unit/expected_test_results/ingredients/fr-ingredients-in-parenthesis-that-are-in-the-allergens-taxonomy.json
@@ -59,6 +59,7 @@
       "en:cheese",
       "en:parmigiano-reggiano"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/fr-label-and-multiple-origins.json b/tests/unit/expected_test_results/ingredients/fr-label-and-multiple-origins.json
index 0d06335d554c0..c738bed3cc9f1 100644
--- a/tests/unit/expected_test_results/ingredients/fr-label-and-multiple-origins.json
+++ b/tests/unit/expected_test_results/ingredients/fr-label-and-multiple-origins.json
@@ -70,6 +70,7 @@
       "fr:suisse",
       "fr:france"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/fr-labels.json b/tests/unit/expected_test_results/ingredients/fr-labels.json
index ba8c323d7e08c..d51c20f1df5a5 100644
--- a/tests/unit/expected_test_results/ingredients/fr-labels.json
+++ b/tests/unit/expected_test_results/ingredients/fr-labels.json
@@ -50,6 +50,7 @@
       "en:fish",
       "en:oily-fish"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/fr-legumes-issus-de-l-agriculture-durable.json b/tests/unit/expected_test_results/ingredients/fr-legumes-issus-de-l-agriculture-durable.json
index 79c080335e3e7..c1c78f8eb153e 100644
--- a/tests/unit/expected_test_results/ingredients/fr-legumes-issus-de-l-agriculture-durable.json
+++ b/tests/unit/expected_test_results/ingredients/fr-legumes-issus-de-l-agriculture-durable.json
@@ -21,6 +21,7 @@
    "ingredients_hierarchy" : [
       "en:vegetable"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/fr-marmelade.json b/tests/unit/expected_test_results/ingredients/fr-marmelade.json
index 4ff9f62c49373..5047b84e68f33 100644
--- a/tests/unit/expected_test_results/ingredients/fr-marmelade.json
+++ b/tests/unit/expected_test_results/ingredients/fr-marmelade.json
@@ -469,6 +469,7 @@
       "en:sodium",
       "en:e415"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 41,
    "ingredients_n_tags" : [
       "41",
diff --git a/tests/unit/expected_test_results/ingredients/fr-mechanicaly-separated-meat.json b/tests/unit/expected_test_results/ingredients/fr-mechanicaly-separated-meat.json
index 1238276e63f7f..d70268669c8fc 100644
--- a/tests/unit/expected_test_results/ingredients/fr-mechanicaly-separated-meat.json
+++ b/tests/unit/expected_test_results/ingredients/fr-mechanicaly-separated-meat.json
@@ -67,6 +67,7 @@
       "en:chicken",
       "en:chicken-meat"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/fr-oignon-francais-tomate-francaise.json b/tests/unit/expected_test_results/ingredients/fr-oignon-francais-tomate-francaise.json
index 567a27737e667..8ce83973dad55 100644
--- a/tests/unit/expected_test_results/ingredients/fr-oignon-francais-tomate-francaise.json
+++ b/tests/unit/expected_test_results/ingredients/fr-oignon-francais-tomate-francaise.json
@@ -40,6 +40,7 @@
       "fr:oignon-francais",
       "fr:tomate-francaise"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/fr-origin-and.json b/tests/unit/expected_test_results/ingredients/fr-origin-and.json
index 712a26ba4e83f..b2eec2bda4fd0 100644
--- a/tests/unit/expected_test_results/ingredients/fr-origin-and.json
+++ b/tests/unit/expected_test_results/ingredients/fr-origin-and.json
@@ -26,6 +26,7 @@
       "en:root-vegetable",
       "en:tuber"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/fr-origin-field.json b/tests/unit/expected_test_results/ingredients/fr-origin-field.json
index 861949fca1569..bd925388dcffa 100644
--- a/tests/unit/expected_test_results/ingredients/fr-origin-field.json
+++ b/tests/unit/expected_test_results/ingredients/fr-origin-field.json
@@ -170,6 +170,7 @@
       "en:pepper",
       "en:seed"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 11,
    "ingredients_n_tags" : [
       "11",
diff --git a/tests/unit/expected_test_results/ingredients/fr-origin-ingredient-origin-and-origin.json b/tests/unit/expected_test_results/ingredients/fr-origin-ingredient-origin-and-origin.json
index 9b08a98c898a8..d36f75eefc667 100644
--- a/tests/unit/expected_test_results/ingredients/fr-origin-ingredient-origin-and-origin.json
+++ b/tests/unit/expected_test_results/ingredients/fr-origin-ingredient-origin-and-origin.json
@@ -196,6 +196,7 @@
       "en:finegrained-salt",
       "en:salt"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 13,
    "ingredients_n_tags" : [
       "13",
diff --git a/tests/unit/expected_test_results/ingredients/fr-origins-agriculture-ue-non-ue.json b/tests/unit/expected_test_results/ingredients/fr-origins-agriculture-ue-non-ue.json
index 643757fda2656..a50bf13cf36ec 100644
--- a/tests/unit/expected_test_results/ingredients/fr-origins-agriculture-ue-non-ue.json
+++ b/tests/unit/expected_test_results/ingredients/fr-origins-agriculture-ue-non-ue.json
@@ -25,6 +25,7 @@
       "en:fruit",
       "en:berries"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/fr-origins-emmental-allemagne-france-pays-bas-contient-lait.json b/tests/unit/expected_test_results/ingredients/fr-origins-emmental-allemagne-france-pays-bas-contient-lait.json
index 7f6673f0fcfee..9f665c22f84b6 100644
--- a/tests/unit/expected_test_results/ingredients/fr-origins-emmental-allemagne-france-pays-bas-contient-lait.json
+++ b/tests/unit/expected_test_results/ingredients/fr-origins-emmental-allemagne-france-pays-bas-contient-lait.json
@@ -32,6 +32,7 @@
       "en:dairy",
       "en:cheese"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/fr-origins-labels.json b/tests/unit/expected_test_results/ingredients/fr-origins-labels.json
index 5ccd5a1daa800..dabf63a5b23ed 100644
--- a/tests/unit/expected_test_results/ingredients/fr-origins-labels.json
+++ b/tests/unit/expected_test_results/ingredients/fr-origins-labels.json
@@ -136,6 +136,7 @@
       "en:cherry",
       "en:prunus-species-fruit"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 9,
    "ingredients_n_tags" : [
       "9",
diff --git a/tests/unit/expected_test_results/ingredients/fr-origins.json b/tests/unit/expected_test_results/ingredients/fr-origins.json
index 34e672582e1d8..5b7ecb7ce62cc 100644
--- a/tests/unit/expected_test_results/ingredients/fr-origins.json
+++ b/tests/unit/expected_test_results/ingredients/fr-origins.json
@@ -77,6 +77,7 @@
       "en:apple",
       "en:malaceous-fruit"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/fr-palm-kernel-fat.json b/tests/unit/expected_test_results/ingredients/fr-palm-kernel-fat.json
index 4faf69adf625b..1006d69f7e4f2 100644
--- a/tests/unit/expected_test_results/ingredients/fr-palm-kernel-fat.json
+++ b/tests/unit/expected_test_results/ingredients/fr-palm-kernel-fat.json
@@ -28,6 +28,7 @@
       "en:vegetable-oil-and-fat",
       "en:palm-kernel-oil-and-fat"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/fr-percents-origins-2.json b/tests/unit/expected_test_results/ingredients/fr-percents-origins-2.json
index 8cccd422a7caa..6d872cdc35027 100644
--- a/tests/unit/expected_test_results/ingredients/fr-percents-origins-2.json
+++ b/tests/unit/expected_test_results/ingredients/fr-percents-origins-2.json
@@ -93,6 +93,7 @@
       "en:e322",
       "en:e322i"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 6,
    "ingredients_n_tags" : [
       "6",
diff --git a/tests/unit/expected_test_results/ingredients/fr-percents-origins.json b/tests/unit/expected_test_results/ingredients/fr-percents-origins.json
index 50a542f50d7d9..59141c1c16bb5 100644
--- a/tests/unit/expected_test_results/ingredients/fr-percents-origins.json
+++ b/tests/unit/expected_test_results/ingredients/fr-percents-origins.json
@@ -67,6 +67,7 @@
       "en:minerals",
       "en:sodium"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/fr-percents.json b/tests/unit/expected_test_results/ingredients/fr-percents.json
index daa7c130c6e76..3ef2f4b6bdd28 100644
--- a/tests/unit/expected_test_results/ingredients/fr-percents.json
+++ b/tests/unit/expected_test_results/ingredients/fr-percents.json
@@ -55,6 +55,7 @@
       "en:apple",
       "en:malaceous-fruit"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/fr-prepared-with.json b/tests/unit/expected_test_results/ingredients/fr-prepared-with.json
index 9f626574a4c07..1f813aa989778 100644
--- a/tests/unit/expected_test_results/ingredients/fr-prepared-with.json
+++ b/tests/unit/expected_test_results/ingredients/fr-prepared-with.json
@@ -1,6 +1,7 @@
 {
    "ingredients" : [],
    "ingredients_hierarchy" : [],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 0,
    "ingredients_n_tags" : [
       "0",
diff --git a/tests/unit/expected_test_results/ingredients/fr-processing-multi.json b/tests/unit/expected_test_results/ingredients/fr-processing-multi.json
index 8ea6929dcd11e..372d68c07d70e 100644
--- a/tests/unit/expected_test_results/ingredients/fr-processing-multi.json
+++ b/tests/unit/expected_test_results/ingredients/fr-processing-multi.json
@@ -111,6 +111,7 @@
       "en:pork-meat",
       "en:ham"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 6,
    "ingredients_n_tags" : [
       "6",
diff --git a/tests/unit/expected_test_results/ingredients/fr-quantity-of-ingredient.json b/tests/unit/expected_test_results/ingredients/fr-quantity-of-ingredient.json
index c24c5b658c20a..671cd898644ef 100644
--- a/tests/unit/expected_test_results/ingredients/fr-quantity-of-ingredient.json
+++ b/tests/unit/expected_test_results/ingredients/fr-quantity-of-ingredient.json
@@ -75,6 +75,7 @@
       "en:vegetable-oil-and-fat",
       "en:rapeseed-oil"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/fr-quantity-per-100g.json b/tests/unit/expected_test_results/ingredients/fr-quantity-per-100g.json
index c3854d70472d0..c6659fa40a495 100644
--- a/tests/unit/expected_test_results/ingredients/fr-quantity-per-100g.json
+++ b/tests/unit/expected_test_results/ingredients/fr-quantity-per-100g.json
@@ -45,6 +45,7 @@
       "en:pork",
       "en:animal"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/fr-semi.json b/tests/unit/expected_test_results/ingredients/fr-semi.json
index d611cc94a973a..0a3854eb48f0e 100644
--- a/tests/unit/expected_test_results/ingredients/fr-semi.json
+++ b/tests/unit/expected_test_results/ingredients/fr-semi.json
@@ -43,6 +43,7 @@
       "en:wheat",
       "en:wheat-flour"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/fr-specific-ingredients.json b/tests/unit/expected_test_results/ingredients/fr-specific-ingredients.json
index bedb0e26529dc..cab45e4e086d4 100644
--- a/tests/unit/expected_test_results/ingredients/fr-specific-ingredients.json
+++ b/tests/unit/expected_test_results/ingredients/fr-specific-ingredients.json
@@ -82,6 +82,7 @@
       "en:fruit-pectin",
       "en:e440a"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 5,
    "ingredients_n_tags" : [
       "5",
diff --git a/tests/unit/expected_test_results/ingredients/fr-starred-label.json b/tests/unit/expected_test_results/ingredients/fr-starred-label.json
index 82444424302ea..f383b2db3a7a9 100644
--- a/tests/unit/expected_test_results/ingredients/fr-starred-label.json
+++ b/tests/unit/expected_test_results/ingredients/fr-starred-label.json
@@ -56,6 +56,7 @@
       "en:sugar",
       "en:cocoa-butter"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/fr-truncated-puree.json b/tests/unit/expected_test_results/ingredients/fr-truncated-puree.json
index 2732bef51a159..1a421a2d8f006 100644
--- a/tests/unit/expected_test_results/ingredients/fr-truncated-puree.json
+++ b/tests/unit/expected_test_results/ingredients/fr-truncated-puree.json
@@ -69,6 +69,7 @@
       "en:juice",
       "en:oil-and-fat"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/fr-vegetal-origin.json b/tests/unit/expected_test_results/ingredients/fr-vegetal-origin.json
index c4ca1318d47b6..740574b726c31 100644
--- a/tests/unit/expected_test_results/ingredients/fr-vegetal-origin.json
+++ b/tests/unit/expected_test_results/ingredients/fr-vegetal-origin.json
@@ -50,6 +50,7 @@
       "en:oil-and-fat",
       "en:e428"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/fr-viande-de-boeuf-issue-d-animaux-nourris-sans-ogm.json b/tests/unit/expected_test_results/ingredients/fr-viande-de-boeuf-issue-d-animaux-nourris-sans-ogm.json
index 5592f28f6e7d4..c1751ecb522f1 100644
--- a/tests/unit/expected_test_results/ingredients/fr-viande-de-boeuf-issue-d-animaux-nourris-sans-ogm.json
+++ b/tests/unit/expected_test_results/ingredients/fr-viande-de-boeuf-issue-d-animaux-nourris-sans-ogm.json
@@ -32,6 +32,7 @@
       "en:meat",
       "en:beef"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/fr-viande-porcine-francaise.json b/tests/unit/expected_test_results/ingredients/fr-viande-porcine-francaise.json
index d7b8dde32ca4f..3e8638b4db1ef 100644
--- a/tests/unit/expected_test_results/ingredients/fr-viande-porcine-francaise.json
+++ b/tests/unit/expected_test_results/ingredients/fr-viande-porcine-francaise.json
@@ -79,6 +79,7 @@
       "en:egg",
       "en:salt"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/ja-additives.json b/tests/unit/expected_test_results/ingredients/ja-additives.json
index 569da06f39937..63577d0eea8be 100644
--- a/tests/unit/expected_test_results/ingredients/ja-additives.json
+++ b/tests/unit/expected_test_results/ingredients/ja-additives.json
@@ -176,6 +176,7 @@
       "en:vitamin-e",
       "en:vegetable-pigment"
    ],
+   "ingredients_lc" : "ja",
    "ingredients_n" : 14,
    "ingredients_n_tags" : [
       "14",
diff --git a/tests/unit/expected_test_results/ingredients/ja-allergens-in-parenthesis.json b/tests/unit/expected_test_results/ingredients/ja-allergens-in-parenthesis.json
index a8669e59f749a..51fd9d4162aef 100644
--- a/tests/unit/expected_test_results/ingredients/ja-allergens-in-parenthesis.json
+++ b/tests/unit/expected_test_results/ingredients/ja-allergens-in-parenthesis.json
@@ -65,6 +65,7 @@
       "en:nut",
       "en:fish"
    ],
+   "ingredients_lc" : "ja",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/ingredients/ja-origin-and.json b/tests/unit/expected_test_results/ingredients/ja-origin-and.json
index c9726b2b18641..7112572c5c16a 100644
--- a/tests/unit/expected_test_results/ingredients/ja-origin-and.json
+++ b/tests/unit/expected_test_results/ingredients/ja-origin-and.json
@@ -45,6 +45,7 @@
       "en:fruit-vegetable",
       "ja:ときがわ町"
    ],
+   "ingredients_lc" : "ja",
    "ingredients_n" : 2,
    "ingredients_n_tags" : [
       "2",
diff --git a/tests/unit/expected_test_results/ingredients/ja-origins.json b/tests/unit/expected_test_results/ingredients/ja-origins.json
index 5ba5d43d08c7a..921063798f844 100644
--- a/tests/unit/expected_test_results/ingredients/ja-origins.json
+++ b/tests/unit/expected_test_results/ingredients/ja-origins.json
@@ -181,6 +181,7 @@
       "en:clementine",
       "en:citrus-fruit"
    ],
+   "ingredients_lc" : "ja",
    "ingredients_n" : 11,
    "ingredients_n_tags" : [
       "11",
diff --git a/tests/unit/expected_test_results/ingredients/ja-parenthesis.json b/tests/unit/expected_test_results/ingredients/ja-parenthesis.json
index 2a4040805abe3..f469a9ecb2659 100644
--- a/tests/unit/expected_test_results/ingredients/ja-parenthesis.json
+++ b/tests/unit/expected_test_results/ingredients/ja-parenthesis.json
@@ -218,6 +218,7 @@
       "en:glucose-syrup",
       "en:amino-acids"
    ],
+   "ingredients_lc" : "ja",
    "ingredients_n" : 15,
    "ingredients_n_tags" : [
       "15",
diff --git a/tests/unit/expected_test_results/ingredients/ja-slash.json b/tests/unit/expected_test_results/ingredients/ja-slash.json
index 0c1a8de6a78ee..973a070cced53 100644
--- a/tests/unit/expected_test_results/ingredients/ja-slash.json
+++ b/tests/unit/expected_test_results/ingredients/ja-slash.json
@@ -211,6 +211,7 @@
       "en:raising-agent",
       "en:flavouring"
    ],
+   "ingredients_lc" : "ja",
    "ingredients_n" : 15,
    "ingredients_n_tags" : [
       "15",
diff --git a/tests/unit/expected_test_results/ingredients/nl-e471-niet-dierlijk.json b/tests/unit/expected_test_results/ingredients/nl-e471-niet-dierlijk.json
index 347828f8e04dc..a078e3ded5b4c 100644
--- a/tests/unit/expected_test_results/ingredients/nl-e471-niet-dierlijk.json
+++ b/tests/unit/expected_test_results/ingredients/nl-e471-niet-dierlijk.json
@@ -26,6 +26,7 @@
    "ingredients_hierarchy" : [
       "en:e471"
    ],
+   "ingredients_lc" : "nl",
    "ingredients_n" : 1,
    "ingredients_n_tags" : [
       "1",
diff --git a/tests/unit/expected_test_results/ingredients/ru-russian-oil.json b/tests/unit/expected_test_results/ingredients/ru-russian-oil.json
index 1c00c37bfe2c7..736d4c1a513e0 100644
--- a/tests/unit/expected_test_results/ingredients/ru-russian-oil.json
+++ b/tests/unit/expected_test_results/ingredients/ru-russian-oil.json
@@ -51,6 +51,7 @@
       "en:vegetable-oil",
       "en:soya-oil"
    ],
+   "ingredients_lc" : "ru",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/ingredients/xx-single-letters.json b/tests/unit/expected_test_results/ingredients/xx-single-letters.json
index cf18a1f04ab06..9a44179a0b564 100644
--- a/tests/unit/expected_test_results/ingredients/xx-single-letters.json
+++ b/tests/unit/expected_test_results/ingredients/xx-single-letters.json
@@ -467,6 +467,7 @@
       "fr:something",
       "fr:somethingelse"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 37,
    "ingredients_n_tags" : [
       "37",
diff --git a/tests/unit/expected_test_results/ingredients_contents/fruits-water-sugar.json b/tests/unit/expected_test_results/ingredients_contents/fruits-water-sugar.json
index 8694a8e6eec93..91d09320475f4 100644
--- a/tests/unit/expected_test_results/ingredients_contents/fruits-water-sugar.json
+++ b/tests/unit/expected_test_results/ingredients_contents/fruits-water-sugar.json
@@ -84,6 +84,7 @@
       "en:added-sugar",
       "en:disaccharide"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 5,
    "ingredients_n_tags" : [
       "5",
diff --git a/tests/unit/expected_test_results/ingredients_contents/vegetable-oils.json b/tests/unit/expected_test_results/ingredients_contents/vegetable-oils.json
index 336c8128f4ee2..fdbf036362854 100644
--- a/tests/unit/expected_test_results/ingredients_contents/vegetable-oils.json
+++ b/tests/unit/expected_test_results/ingredients_contents/vegetable-oils.json
@@ -71,6 +71,7 @@
       "en:sunflower-oil",
       "en:walnut-oil"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 4,
    "ingredients_n_tags" : [
       "4",
diff --git a/tests/unit/expected_test_results/nutriscore/breakfast-cereals.json b/tests/unit/expected_test_results/nutriscore/breakfast-cereals.json
index 64843df452163..ea0e6e5e63138 100644
--- a/tests/unit/expected_test_results/nutriscore/breakfast-cereals.json
+++ b/tests/unit/expected_test_results/nutriscore/breakfast-cereals.json
@@ -42,7 +42,6 @@
       "en:cereals-and-potatoes",
       "en:breakfast-cereals"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/cocoa-and-chocolate-powders.json b/tests/unit/expected_test_results/nutriscore/cocoa-and-chocolate-powders.json
index 7032f72a8753f..8f65f58acd021 100644
--- a/tests/unit/expected_test_results/nutriscore/cocoa-and-chocolate-powders.json
+++ b/tests/unit/expected_test_results/nutriscore/cocoa-and-chocolate-powders.json
@@ -41,7 +41,6 @@
    "improvements_tags" : [
       "en:better-nutri-score-with-less-saturated-fat"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutrition-grade-computed-for-prepared-product",
diff --git a/tests/unit/expected_test_results/nutriscore/colza-oil.json b/tests/unit/expected_test_results/nutriscore/colza-oil.json
index caecc02e9af56..72c367e73472e 100644
--- a/tests/unit/expected_test_results/nutriscore/colza-oil.json
+++ b/tests/unit/expected_test_results/nutriscore/colza-oil.json
@@ -42,7 +42,6 @@
       "en:fats-and-sauces",
       "en:fats"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/cookies.json b/tests/unit/expected_test_results/nutriscore/cookies.json
index bd2438ea3a648..7a280b5434887 100644
--- a/tests/unit/expected_test_results/nutriscore/cookies.json
+++ b/tests/unit/expected_test_results/nutriscore/cookies.json
@@ -38,7 +38,6 @@
       "en:sugary-snacks",
       "en:biscuits-and-cakes"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/en-beers-category.json b/tests/unit/expected_test_results/nutriscore/en-beers-category.json
index 7624669847149..a20568321d8fe 100644
--- a/tests/unit/expected_test_results/nutriscore/en-beers-category.json
+++ b/tests/unit/expected_test_results/nutriscore/en-beers-category.json
@@ -35,7 +35,6 @@
    "food_groups_tags" : [
       "en:alcoholic-beverages"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-not-applicable",
diff --git a/tests/unit/expected_test_results/nutriscore/en-milk.json b/tests/unit/expected_test_results/nutriscore/en-milk.json
index 278a84d0a9469..2461ca0da629b 100644
--- a/tests/unit/expected_test_results/nutriscore/en-milk.json
+++ b/tests/unit/expected_test_results/nutriscore/en-milk.json
@@ -34,7 +34,6 @@
       "en:milk-and-dairy-products",
       "en:milk-and-yogurt"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutrition-no-fiber",
diff --git a/tests/unit/expected_test_results/nutriscore/en-olive-oil-no-ingredients.json b/tests/unit/expected_test_results/nutriscore/en-olive-oil-no-ingredients.json
index c2ce024c9f96f..df8254b0c29b8 100644
--- a/tests/unit/expected_test_results/nutriscore/en-olive-oil-no-ingredients.json
+++ b/tests/unit/expected_test_results/nutriscore/en-olive-oil-no-ingredients.json
@@ -44,7 +44,6 @@
       "en:fats-and-sauces",
       "en:fats"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/en-orange-juice-category.json b/tests/unit/expected_test_results/nutriscore/en-orange-juice-category.json
index 2eed716c0dc32..39973e3122959 100644
--- a/tests/unit/expected_test_results/nutriscore/en-orange-juice-category.json
+++ b/tests/unit/expected_test_results/nutriscore/en-orange-juice-category.json
@@ -46,7 +46,6 @@
       "en:beverages",
       "en:fruit-juices"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/en-potatoes-category.json b/tests/unit/expected_test_results/nutriscore/en-potatoes-category.json
index 876aa2dde1c75..866aa8002569c 100644
--- a/tests/unit/expected_test_results/nutriscore/en-potatoes-category.json
+++ b/tests/unit/expected_test_results/nutriscore/en-potatoes-category.json
@@ -42,7 +42,6 @@
       "en:cereals-and-potatoes",
       "en:potatoes"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/en-red-meat-ambiguous-category-no-ingredients.json b/tests/unit/expected_test_results/nutriscore/en-red-meat-ambiguous-category-no-ingredients.json
index f1481da924d75..fde9a1b39e143 100644
--- a/tests/unit/expected_test_results/nutriscore/en-red-meat-ambiguous-category-no-ingredients.json
+++ b/tests/unit/expected_test_results/nutriscore/en-red-meat-ambiguous-category-no-ingredients.json
@@ -33,7 +33,6 @@
       "en:fish-meat-eggs",
       "en:processed-meat"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutrition-no-fiber",
diff --git a/tests/unit/expected_test_results/nutriscore/en-red-meat-category-no-ingredients.json b/tests/unit/expected_test_results/nutriscore/en-red-meat-category-no-ingredients.json
index aa2676e1cc627..99265f12404d9 100644
--- a/tests/unit/expected_test_results/nutriscore/en-red-meat-category-no-ingredients.json
+++ b/tests/unit/expected_test_results/nutriscore/en-red-meat-category-no-ingredients.json
@@ -43,7 +43,6 @@
       "en:meat",
       "en:meat-other-than-poultry"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutrition-no-fiber",
diff --git a/tests/unit/expected_test_results/nutriscore/flavored-spring-water-no-nutrition.json b/tests/unit/expected_test_results/nutriscore/flavored-spring-water-no-nutrition.json
index 5d77a95aefae6..1f5aa52775dec 100644
--- a/tests/unit/expected_test_results/nutriscore/flavored-spring-water-no-nutrition.json
+++ b/tests/unit/expected_test_results/nutriscore/flavored-spring-water-no-nutrition.json
@@ -40,7 +40,6 @@
       "en:beverages",
       "en:waters-and-flavored-waters"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutrition-not-enough-data-to-compute-nutrition-score",
diff --git a/tests/unit/expected_test_results/nutriscore/flavored-spring-with-nutrition.json b/tests/unit/expected_test_results/nutriscore/flavored-spring-with-nutrition.json
index c3f1f8fd2c2b4..571f7d0e572f1 100644
--- a/tests/unit/expected_test_results/nutriscore/flavored-spring-with-nutrition.json
+++ b/tests/unit/expected_test_results/nutriscore/flavored-spring-with-nutrition.json
@@ -40,7 +40,6 @@
       "en:beverages",
       "en:waters-and-flavored-waters"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/olive-oil.json b/tests/unit/expected_test_results/nutriscore/olive-oil.json
index 6962710fbd049..2c96b4af134ce 100644
--- a/tests/unit/expected_test_results/nutriscore/olive-oil.json
+++ b/tests/unit/expected_test_results/nutriscore/olive-oil.json
@@ -44,7 +44,6 @@
       "en:fats-and-sauces",
       "en:fats"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/spring-water-no-nutrition.json b/tests/unit/expected_test_results/nutriscore/spring-water-no-nutrition.json
index ad5c148284e5b..2dbb73e574c70 100644
--- a/tests/unit/expected_test_results/nutriscore/spring-water-no-nutrition.json
+++ b/tests/unit/expected_test_results/nutriscore/spring-water-no-nutrition.json
@@ -38,7 +38,6 @@
       "en:beverages",
       "en:waters-and-flavored-waters"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/sunflower-oil-no-sugar-no-sat-fat.json b/tests/unit/expected_test_results/nutriscore/sunflower-oil-no-sugar-no-sat-fat.json
index eb65ac8f832d1..80bb9e40e6125 100644
--- a/tests/unit/expected_test_results/nutriscore/sunflower-oil-no-sugar-no-sat-fat.json
+++ b/tests/unit/expected_test_results/nutriscore/sunflower-oil-no-sugar-no-sat-fat.json
@@ -44,7 +44,6 @@
       "en:fats-and-sauces",
       "en:fats"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutrition-not-enough-data-to-compute-nutrition-score",
diff --git a/tests/unit/expected_test_results/nutriscore/sunflower-oil-no-sugar.json b/tests/unit/expected_test_results/nutriscore/sunflower-oil-no-sugar.json
index 53774bafc10f0..f88309f540b96 100644
--- a/tests/unit/expected_test_results/nutriscore/sunflower-oil-no-sugar.json
+++ b/tests/unit/expected_test_results/nutriscore/sunflower-oil-no-sugar.json
@@ -44,7 +44,6 @@
       "en:fats-and-sauces",
       "en:fats"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/sunflower-oil.json b/tests/unit/expected_test_results/nutriscore/sunflower-oil.json
index 555d2ef2d6d09..df87b83b4821d 100644
--- a/tests/unit/expected_test_results/nutriscore/sunflower-oil.json
+++ b/tests/unit/expected_test_results/nutriscore/sunflower-oil.json
@@ -44,7 +44,6 @@
       "en:fats-and-sauces",
       "en:fats"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/nutriscore/walnut-oil.json b/tests/unit/expected_test_results/nutriscore/walnut-oil.json
index 7b82565d63c9f..94fb5351a835c 100644
--- a/tests/unit/expected_test_results/nutriscore/walnut-oil.json
+++ b/tests/unit/expected_test_results/nutriscore/walnut-oil.json
@@ -46,7 +46,6 @@
       "en:fats-and-sauces",
       "en:fats"
    ],
-   "ingredients_lc" : "en",
    "lc" : "en",
    "misc_tags" : [
       "en:nutriscore-computed",
diff --git a/tests/unit/expected_test_results/recipes/fr-margherita-pizzas.fr-margherita-pizza-1.json b/tests/unit/expected_test_results/recipes/fr-margherita-pizzas.fr-margherita-pizza-1.json
index 9871f723f02f6..c74c74163259e 100644
--- a/tests/unit/expected_test_results/recipes/fr-margherita-pizzas.fr-margherita-pizza-1.json
+++ b/tests/unit/expected_test_results/recipes/fr-margherita-pizzas.fr-margherita-pizza-1.json
@@ -150,6 +150,7 @@
       "en:spice",
       "en:condiment"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 9,
    "ingredients_n_tags" : [
       "9",
diff --git a/tests/unit/expected_test_results/recipes/fr-margherita-pizzas.fr-margherita-pizza-2-compound-ingredients.json b/tests/unit/expected_test_results/recipes/fr-margherita-pizzas.fr-margherita-pizza-2-compound-ingredients.json
index d7860b150da7e..88286ede2e015 100644
--- a/tests/unit/expected_test_results/recipes/fr-margherita-pizzas.fr-margherita-pizza-2-compound-ingredients.json
+++ b/tests/unit/expected_test_results/recipes/fr-margherita-pizzas.fr-margherita-pizza-2-compound-ingredients.json
@@ -133,6 +133,7 @@
       "en:water",
       "en:salt"
    ],
+   "ingredients_lc" : "fr",
    "ingredients_n" : 8,
    "ingredients_n_tags" : [
       "8",
diff --git a/tests/unit/expected_test_results/recipes/nectars.guava-nectar.json b/tests/unit/expected_test_results/recipes/nectars.guava-nectar.json
index a63ac040c3500..f4af470c67f01 100644
--- a/tests/unit/expected_test_results/recipes/nectars.guava-nectar.json
+++ b/tests/unit/expected_test_results/recipes/nectars.guava-nectar.json
@@ -85,6 +85,7 @@
       "en:e330",
       "en:some-unknown-ingredient"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 5,
    "ingredients_n_tags" : [
       "5",
diff --git a/tests/unit/expected_test_results/recipes/nectars.impossible-ingredients.json b/tests/unit/expected_test_results/recipes/nectars.impossible-ingredients.json
index a400b3a087aac..adc97917d883f 100644
--- a/tests/unit/expected_test_results/recipes/nectars.impossible-ingredients.json
+++ b/tests/unit/expected_test_results/recipes/nectars.impossible-ingredients.json
@@ -51,6 +51,7 @@
       "en:added-sugar",
       "en:disaccharide"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/expected_test_results/recipes/nectars.strawberry-nectar.json b/tests/unit/expected_test_results/recipes/nectars.strawberry-nectar.json
index 3c42f675c9025..ff07a68cdfd50 100644
--- a/tests/unit/expected_test_results/recipes/nectars.strawberry-nectar.json
+++ b/tests/unit/expected_test_results/recipes/nectars.strawberry-nectar.json
@@ -57,6 +57,7 @@
       "en:added-sugar",
       "en:disaccharide"
    ],
+   "ingredients_lc" : "en",
    "ingredients_n" : 3,
    "ingredients_n_tags" : [
       "3",
diff --git a/tests/unit/ingredients_nesting.t b/tests/unit/ingredients_nesting.t
index 505f77ca4fbf2..8313286c86655 100755
--- a/tests/unit/ingredients_nesting.t
+++ b/tests/unit/ingredients_nesting.t
@@ -440,7 +440,7 @@ foreach my $test_ref (@tests) {
 
 	print STDERR "ingredients_text: " . $product_ref->{ingredients_text} . "\n";
 
-	parse_ingredients_text_service($product_ref, {});
+	parse_ingredients_text_service($product_ref, {}, {});
 
 	is($product_ref->{ingredients}, $expected_ingredients_ref)
 		# using print + join instead of diag so that we don't have
diff --git a/tests/unit/ingredients_parsing_todo.t b/tests/unit/ingredients_parsing_todo.t
index 120f1feb06941..e665b297fe55e 100644
--- a/tests/unit/ingredients_parsing_todo.t
+++ b/tests/unit/ingredients_parsing_todo.t
@@ -181,7 +181,7 @@ foreach my $test_ref (@tests) {
 
 		print STDERR "ingredients_text: " . $product_ref->{ingredients_text} . "\n";
 
-		parse_ingredients_text_service($product_ref, {});
+		parse_ingredients_text_service($product_ref, {}, {});
 
 		is($product_ref->{ingredients}, $expected_ingredients_ref)
 			# using print + join instead of diag so that we don't have
diff --git a/tests/unit/ingredients_percent.t b/tests/unit/ingredients_percent.t
index 237b76dfac66c..dfe006e9db11e 100755
--- a/tests/unit/ingredients_percent.t
+++ b/tests/unit/ingredients_percent.t
@@ -279,8 +279,8 @@ foreach my $test_ref (@tests) {
 	my $testid = $test_ref->[0];
 	my $product_ref = $test_ref->[1];
 
-	parse_ingredients_text_service($product_ref, {});
-	estimate_ingredients_percent_service($product_ref, {});
+	parse_ingredients_text_service($product_ref, {}, {});
+	estimate_ingredients_percent_service($product_ref, {}, {});
 
 	compare_to_expected_results(
 		$product_ref->{ingredients},
diff --git a/tests/unit/ingredients_processing.t b/tests/unit/ingredients_processing.t
index 0a01b37f718f5..6965af01a2a32 100755
--- a/tests/unit/ingredients_processing.t
+++ b/tests/unit/ingredients_processing.t
@@ -2742,7 +2742,7 @@ foreach my $test_ref (@tests) {
 
 	print STDERR "ingredients_text: " . $product_ref->{ingredients_text} . "\n";
 
-	parse_ingredients_text_service($product_ref, {});
+	parse_ingredients_text_service($product_ref, {}, {});
 
 	is($product_ref->{ingredients}, $expected_ingredients_ref)
 
diff --git a/tests/unit/nutrition_estimation.t b/tests/unit/nutrition_estimation.t
index 1c8db19172de0..cab75f98534a3 100644
--- a/tests/unit/nutrition_estimation.t
+++ b/tests/unit/nutrition_estimation.t
@@ -41,7 +41,7 @@ foreach my $test_ref (@tests) {
 	my $testid = $test_ref->{id};
 	my $product_ref = $test_ref->{product};
 
-	parse_ingredients_text_service($product_ref, {});
+	parse_ingredients_text_service($product_ref, {}, {});
 	if (compute_ingredients_percent_min_max_values(100, 100, $product_ref->{ingredients}) < 0) {
 		delete_ingredients_percent_values($product_ref->{ingredients});
 	}
diff --git a/tests/unit/parse_origins_from_text.t b/tests/unit/parse_origins_from_text.t
index e89e08d071140..935c75705bdee 100644
--- a/tests/unit/parse_origins_from_text.t
+++ b/tests/unit/parse_origins_from_text.t
@@ -71,7 +71,7 @@ foreach my $test_ref (@tests) {
 	my $product_ref = $test_ref->{product};
 	my $text = $product_ref->{"origin_" . $product_ref->{lc}};
 
-	parse_origins_from_text($product_ref, $text);
+	parse_origins_from_text($product_ref, $text, $product_ref->{lc});
 
 	compare_to_expected_results($product_ref, "$expected_result_dir/$testid.json", $update_expected_results, $test_ref);