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New facets from @Benbenben -- see: https://github.com/openfoodfacts/openfoodfacts-server/pull/9707/files
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This page lists '''all the data quality errors (202) detected by Open Food Facts algorithms'''. For each one you will get a short description an the link to the page listing all products concerned by the error.
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This page lists '''all the data quality errors detected by Open Food Facts algorithms'''. For each one you will get a short description an the link to the page listing all products concerned by the error.
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You can get the number of all products concerned by each error at the following list: https://world.openfoodfacts.org/data-quality-errors
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The content below has been generated from the [https://github.com/openfoodfacts/openfoodfacts-server/blob/main/taxonomies/data_quality.txt data quality taxonomy]. '''Please do not edit it'''. Instead you can: either [https://github.com/openfoodfacts/openfoodfacts-server/issues/new/choose open an issue] if you see errors, or if you think it can be enhanced; either you can directly modify the taxonomy if you have skills.
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The content below has been generated from the [https://github.com/openfoodfacts/openfoodfacts-server/blob/main/taxonomies/data_quality.txt data quality taxonomy]. '''Please do not edit it'''. Instead you can: either [https://github.com/openfoodfacts/openfoodfacts-server/issues/new/choose open an issue] if you see errors, or if you think it can be enhanced (translated, for example); either you can directly modify the taxonomy if you have skills.
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* Description: The energy value in kJ does not match value computed from other nutrients. It is often due to an error in the nutrition facts table entered by the users. Sometimes, it's an error coming from the producer.
 
* Description: The energy value in kJ does not match value computed from other nutrients. It is often due to an error in the nutrition facts table entered by the users. Sometimes, it's an error coming from the producer.
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:energy-value-in-kj-does-not-match-value-computed-from-other-nutrients
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:energy-value-in-kj-does-not-match-value-computed-from-other-nutrients
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Energy value in kcal and kj are reversed
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* Description: The energy value in kJ must be about 4.2 times greater than the value in kcal. The values seems to be reversed.
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* Link: https://world.openfoodfacts.org/data-quality-error/en:energy-value-in-kcal-and-kj-are-reversed
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Energy value in kcal greater than in kJ
 
Energy value in kcal greater than in kJ
* Description: The energy value in kJ must be about 4.2 times greater than the value in kcal. The values could be inverted.
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* Description: The energy value in kJ must be about 4.2 times greater than the value in kcal. The values could be reversed.
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:energy-value-in-kcal-greater-than-in-kj
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:energy-value-in-kcal-greater-than-in-kj
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Ingredients - single ingredient from category does not match actual ingredients
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* Description: This category expect a single and specific ingredient.
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* Link: https://world.openfoodfacts.org/data-quality-error/en:ingredients-single-ingredient-from-category-does-not-match-actual-ingredients
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Nutri-score grade from category does not match calculated grade
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* Description: The calculated nutriscore grade is different than the one expected for this category.
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* Link: https://world.openfoodfacts.org/data-quality-error/en:nutri-score-grade-from-category-does-not-match-calculated-grade
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Nutrition - Fructose plus glucose plus maltose plus lactose plus sucrose greater than sugars
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* Link: https://world.openfoodfacts.org/data-quality-error/en:nutrition-fructose-plus-glucose-plus-maltose-plus-lactose-plus-sucrose-greater-than-sugars
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* Description: Saturated Fat is a sub-section of Fat on the nutrition labels, as a result, it should always be smaller than fat.
 
* Description: Saturated Fat is a sub-section of Fat on the nutrition labels, as a result, it should always be smaller than fat.
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:nutrition-saturated-fat-greater-than-fat
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:nutrition-saturated-fat-greater-than-fat
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Nutrition data per serving - Missing serving size, serving quantity is unknown
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* Description: "Nutrition facts are specified for the product as sold." is checked. "per serving" is selected. But the serving size is missing.
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* Link: https://world.openfoodfacts.org/data-quality-error/en:nutrition-data-per-serving-missing-serving-size-serving-quantity-is-unknown
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Nutrition data per serving - Serving quantity is not recognized
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* Description: although serving size is given, it cannot be parsed (digit or unit may be missing or unknown).
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* Link: https://world.openfoodfacts.org/data-quality-error/en:nutrition-data-per-serving-serving-quantity-is-not-recognized
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* Description: The sum of nutrient values for 100 g or 100 ml is greater than 100 g. It is very likely that there is at least one value or unit error.
 
* Description: The sum of nutrient values for 100 g or 100 ml is greater than 100 g. It is very likely that there is at least one value or unit error.
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:nutrition-value-total-over-105
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:nutrition-value-total-over-105
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Specific ingredient fruit quantity is below the minimum value of 15 for category ginger jams
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* Description: Quantity of fruit for ginger jams should be above 15 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-15-for-category-ginger-jams
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Specific ingredient fruit quantity is below the minimum value of 20 for category citrus jams
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* Description: As a general rule quantity of fruit for marmalades and citrus jams should be above 20g per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-20-for-category-citrus-jams
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Specific ingredient fruit quantity is below the minimum value of 20 for category marmalades
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* Description: As a general rule quantity of fruit for marmalades and citrus jams should be above 20g per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-20-for-category-marmalades
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Specific ingredient fruit quantity is below the minimum value of 25 for category blackcurrant jams
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* Description: Quantity of fruit for blackcurrant jams should be above 25 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-25-for-category-blackcurrant-jams
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Specific ingredient fruit quantity is below the minimum value of 25 for category blackcurrants jellies
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* Description: Quantity of fruit for blackcurrants jellies should be above 25 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-25-for-category-blackcurrants-jellies
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Specific ingredient fruit quantity is below the minimum value of 25 for category quince jams
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* Description: Quantity of fruit for quince jams should be above 25 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-25-for-category-quince-jams
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Specific ingredient fruit quantity is below the minimum value of 25 for category redcurrants jellies
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* Description: Quantity of fruit for redcurrants jellies should be above 25 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-25-for-category-redcurrants-jellies
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Specific ingredient fruit quantity is below the minimum value of 25 for category rosehip jams
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* Description: Quantity of fruit for rosehip jams should be above 25 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-25-for-category-rosehip-jams
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Specific ingredient fruit quantity is below the minimum value of 25 for category sea buckthorn jams
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* Description: Quantity of fruit for sea-buckthorn jams should be above 25 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-25-for-category-sea-buckthorn-jams
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Specific ingredient fruit quantity is below the minimum value of 25 for category sea-buckthorn jellies
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* Description: Quantity of fruit for Sea-buckthorn jellies should be above 25 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-25-for-category-sea-buckthorn-jellies
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Specific ingredient fruit quantity is below the minimum value of 38 for category chestnut spreads
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* Description: Quantity of fruit for chestnut purée should be above 38 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-38-for-category-chestnut-spreads
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Specific ingredient fruit quantity is below the minimum value of 45 for category extra jams
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* Description: As a general rule quantity of fruit for extra jam should be above 45g per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-45-for-category-extra-jams
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Specific ingredient fruit quantity is below the minimum value of 6 for category passion fruit jellies
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* Description: Quantity of fruit for passion fruit jellies should be above 6 per 100g in EU. See: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32001L0113
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* Link: https://world.openfoodfacts.org/data-quality-error/en:specific-ingredient-fruit-quantity-is-below-the-minimum-value-of-6-for-category-passion-fruit-jellies
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* Description: The serving size should be a size with digits. Eg. "10 g", "250 ml", "2 fl oz"...
 
* Description: The serving size should be a size with digits. Eg. "10 g", "250 ml", "2 fl oz"...
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:serving-size-is-missing-digits
 
* Link: https://world.openfoodfacts.org/data-quality-error/en:serving-size-is-missing-digits
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Vegan label but non-vegan ingredient
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* Description: This product has a vegan label but contains non-vegan ingredients.
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* Link: https://world.openfoodfacts.org/data-quality-error/en:vegan-label-but-non-vegan-ingredient
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Vegetarian label but non-vegetarian ingredient
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* Description: This product has a vegetarian label but contains non-vegetarian ingredients.
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* Link: https://world.openfoodfacts.org/data-quality-error/en:vegetarian-label-but-non-vegetarian-ingredient
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[[Category:Data quality]]

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