{
  "id": "e_number",
  "kind": "datatype",
  "status": "draft",
  "name": "E number (food additive)",
  "doc": "Code of a food additive approved in the European Union: the letter E and three or four digits, sometimes with a letter or a roman numeral for a subclass, such as E330 for citric acid.",
  "is_pii": false,
  "categories": [
    "chemistry",
    "industry"
  ],
  "country": [
    "EU"
  ],
  "langs": [
    "common"
  ],
  "classification": "categorical",
  "regexp": "^E\\d{3,4}[a-z]?(?:\\([ivx]+\\))?$",
  "examples": [
    {
      "value": "E307a",
      "description": "RRR-alpha-tocopherol",
      "valid": true
    },
    {
      "value": "E621",
      "description": "monosodium L-glutamate",
      "valid": true
    },
    {
      "value": "E100",
      "description": "curcumin",
      "valid": true
    }
  ],
  "mappings": {
    "wikidata": "P628"
  },
  "links": [
    {
      "type": "wikipedia",
      "url": "https://en.wikipedia.org/wiki/E_number"
    },
    {
      "type": "wikidata",
      "url": "https://www.wikidata.org/wiki/Property:P628"
    }
  ],
  "quality": {
    "score": 80,
    "missing": [
      "negative example",
      "translation",
      "detector coverage"
    ]
  },
  "source": {
    "path": "data/datatypes/EU/chemistry/e_number.yaml",
    "url": "https://github.com/apicrafter/metacrafter-registry/blob/main/data/datatypes/EU/chemistry/e_number.yaml",
    "edit_url": "https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/EU/chemistry/e_number.yaml"
  },
  "urls": {
    "html": "http://registry.apicrafter.io/datatype/e_number",
    "json": "http://registry.apicrafter.io/api/v1/datatypes/e_number.json"
  }
}