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2,280 bytes added ,  14:21, 23 August 2021
More information on countries.
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[to be completed]
 
[to be completed]
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This field list the specific [[Global_categories_taxonomy|category]] of a product and its related parents. This field is very important: it needs to be completed for Nutri-Score computation, as this computation makes differences between types of products (beverages, ...).
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This field list the specific [[Global_categories_taxonomy|category]] of a product and its related parents. '''This field is very important''': it needs to be completed for Nutri-Score computation, as this computation makes differences between types of products (beverages, ...).
    
→ Indicate only the most specific category. "Parents" categories will be automatically added.
 
→ Indicate only the most specific category. "Parents" categories will be automatically added.
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Examples: Sardines in olive oil, Orange juice from concentrate
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Examples: <code>Sardines in olive oil</code>, <code>Orange juice from concentrate</code>
    
See also:
 
See also:
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* [https://github.com/openfoodfacts/openfoodfacts-server/blob/master/taxonomies/labels.txt our labels taxonomy on our repository].
 
* [https://github.com/openfoodfacts/openfoodfacts-server/blob/master/taxonomies/labels.txt our labels taxonomy on our repository].
 
* [https://github.com/openfoodfacts/openfoodfacts-server/issues?q=is%3Aissue+is%3Aopen+category+label%3Alabels issues related to <code>labels</code>].
 
* [https://github.com/openfoodfacts/openfoodfacts-server/issues?q=is%3Aissue+is%3Aopen+category+label%3Alabels issues related to <code>labels</code>].
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==== Manufacturing or processing places ====
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[to be completed]
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This field lists the places where the product has been manufactured or processed.
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==== EMB code ====
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[to be completed]
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This field is dedicated for various codes related to packaging marks, identification marks or health marks:
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* [https://en.wikipedia.org/wiki/EC_identification_and_health_marks EC identification and health marks] in use in the European Community to identify food producers or food packagers. Example: <code>FR 72.264.002 CE</code>.
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* [https://fr.wikipedia.org/wiki/EMB_(code) EMB codes] (fr): packaging codes in use in France. Example: <code>EMB 72264</code>.
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Open Food Facts gathered [https://world.openfoodfacts.org/packager-codes 25,000+ codes] as of 2021-08-18. These codes allow to localize the places on a map: https://world.openfoodfacts.org/packager-code/fr-72-264-002-ce
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We use it to produce the world map of products: https://cestemballepresdechezvous.fr/ (fr) and https://madenear.me/ (en) [down on 2021-08-19].
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==== '''Countries where sold''' ====
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This field contains all the countries where the product is sold. If the field contains France, the product will be listed on the https://fr.openfoodfacts.org/ website.
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The list of all existing countries can be found here: https://world.openfoodfacts.org/countries
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In 2021, the [https://en.wikipedia.org/wiki/List_of_sovereign_states United Nation recognize 193 countries] but Open Food Facts also recognize other territories, such as overseas regions/territories such as French Guiana, Guadeloupe, French Polynesia, etc. This field is taxonomized ([https://github.com/openfoodfacts/openfoodfacts-server/blob/main/taxonomies/countries.txt source code]). Though, Open Food Facts accepts all values and some people or some bogus tools enter other values, which leads to have bad values.
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In the database, this field is called <code>countries</code>. This field allows to compute the <code>countries_tags</code> field, the normalized version of countries, which allows to show the name of a country in the desired language, thanks to countries taxonomy. Eg: when <code>Italy</code> is entered from a page in english (say,  world.openfoodfacts.org), <code>countries_tags</code> becomes <code>en:italy</code>.
    
==== Ingredients ====
 
==== Ingredients ====
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See [https://github.com/openfoodfacts/openfoodfacts-server/issues?q=is%3Aissue+is%3Aopen+ingredients+label%3Aingredients issues related to <code>ingredients</code>].
 
See [https://github.com/openfoodfacts/openfoodfacts-server/issues?q=is%3Aissue+is%3Aopen+ingredients+label%3Aingredients issues related to <code>ingredients</code>].
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==== Substances or products causing allergies or intolerances ====
 
==== Substances or products causing allergies or intolerances ====
 
The substances are ingredients that are actually in the product, which could cause common allergies. This field can be filled by hand, but is also completed by automatic ingredients analysis.
 
The substances are ingredients that are actually in the product, which could cause common allergies. This field can be filled by hand, but is also completed by automatic ingredients analysis.
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See [https://github.com/openfoodfacts/openfoodfacts-server/issues?q=is%3Aissue+is%3Aopen+traces+label%3Aallergens issues related to <code>allergens_tags</code>].
 
See [https://github.com/openfoodfacts/openfoodfacts-server/issues?q=is%3Aissue+is%3Aopen+traces+label%3Aallergens issues related to <code>allergens_tags</code>].
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==== Traces ====
 
==== Traces ====
 
The traces are ingredients which are not used for the product itself but lay in the factory or the production process: the product might contains traces of these ingredients. Traces are really important if you are allergic.
 
The traces are ingredients which are not used for the product itself but lay in the factory or the production process: the product might contains traces of these ingredients. Traces are really important if you are allergic.
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This field can be filled by hand, but is also completed by automatic ingredients analysis.
 
This field can be filled by hand, but is also completed by automatic ingredients analysis.
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See [https://github.com/openfoodfacts/openfoodfacts-server/issues?q=is%3Aissue+is%3Aopen+traces+label%3Atraces issues related to <code>traces</code>].
 
See [https://github.com/openfoodfacts/openfoodfacts-server/issues?q=is%3Aissue+is%3Aopen+traces+label%3Atraces issues related to <code>traces</code>].
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==== Best before date (expiration date) ====
 
==== Best before date (expiration date) ====
 
The expiration date is a way to track product changes over time and to identify the most recent version. It's a data for manual usages. At this moment (2020-03), Open Food Facts apps and website don't make any usage of this field. An issue is open to [https://github.com/openfoodfacts/openfoodfacts-server/issues/76 throw off very old products in averages], it could be useful for it.
 
The expiration date is a way to track product changes over time and to identify the most recent version. It's a data for manual usages. At this moment (2020-03), Open Food Facts apps and website don't make any usage of this field. An issue is open to [https://github.com/openfoodfacts/openfoodfacts-server/issues/76 throw off very old products in averages], it could be useful for it.
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In the database and in Product Opener software, the technical name for this field is <code>expiration_date</code>.
 
In the database and in Product Opener software, the technical name for this field is <code>expiration_date</code>.
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==== Serving size ====
 
==== Serving size ====
 
Serving size has a specific goal: to let Open Food Facts app make a proportional calculation of each nutrient per serving size. If a candy's weight is 5 g, it can be chosen as the serving size: if these candies has 66 g of sugar per 100 g, it has about 3 g per candy. [https://github.com/openfoodfacts/openfoodfacts-server/blob/f25308b7d47255be83210f699f897cba87c9517f/lib/ProductOpener/Food.pm#L3835 Allowed units] are: <code>kg, g, mg, µg, oz, l, dl, cl, ml, fl.oz, fl oz, г, мг, кг, л, дл, кл, мл, 毫克, 公斤, 毫升, 公升, 吨</code>.
 
Serving size has a specific goal: to let Open Food Facts app make a proportional calculation of each nutrient per serving size. If a candy's weight is 5 g, it can be chosen as the serving size: if these candies has 66 g of sugar per 100 g, it has about 3 g per candy. [https://github.com/openfoodfacts/openfoodfacts-server/blob/f25308b7d47255be83210f699f897cba87c9517f/lib/ProductOpener/Food.pm#L3835 Allowed units] are: <code>kg, g, mg, µg, oz, l, dl, cl, ml, fl.oz, fl oz, г, мг, кг, л, дл, кл, мл, 毫克, 公斤, 毫升, 公升, 吨</code>.

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