{
  "url": "https://openlegislation.uk/eu-regulation-2003-316/annex-II",
  "json_url": "https://openlegislation.uk/eu-regulation-2003-316/annex-II.json",
  "legislation": "eur/2003/316",
  "legislation_title": "Commission Regulation (EC) No 316/2003 of 19 February 2003 concerning the permanent authorisation of an additive in feedingstuffs and the provisional authorisation of a new use of an additive already authorised in feedingstuffs (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2003-316",
  "path": "annex/II",
  "kind": "annex",
  "number": "II",
  "heading": null,
  "text": "1 QXU is the amount of enzyme which liberates 1 micromole of reducing sugars (xylose equivalents) from oat xylan per minute at pH 5,1 and 50 °C.\n1 QGU is the amount of enzyme which liberates 1 micromole of reducing sugars (glucose equivalents) from barley beta-glucan per minute at pH 4,8 and 50 °C.’\nNo (or EC No)\nAdditive\nChemical formula, description\nSpecies or category of animal\nMaximum age\nMinimum content\nMaximum content\nOther provisions\nEnd of period of authorisation\nUnits of activity/kg of complete feedingstuff\n‘Enzymes\n24\nEndo-1,4-beta-xylanase\nEC 3.2.1.8\nEndo-1,3(4)-beta-glucanase\nEC 3.2.1.6\nPreparation of endo-1,4-beta-xylanase and endo-1,3(4)-beta-glucanase produced by Aspergillus niger (CNCM I-1517) having a minimum activity of:\n28 000 QXU /g\n140 000 QGU /g\nTurkeys for fattening\n—\n280 QXU\n1 400 QGU\n840 QXU\n4 200 QGU\n1.\nIn the directions for use of the additive and premixture, indicate the storage temperature, storage life, and stability to pelleting.\n2.\nRecommended dose per kilogram of complete feedingstuff:\n560 QXU\n2 800 QGU.\n3.\nFor use in compound feed rich in non-starch polysaccharides (mainly arabinoxylans and beta-glucans), e.g. containing more than 20 % wheat and/or barley.\n28.2.2007",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "1 QXU is the amount of enzyme which liberates 1 micromole of reducing sugars (xylose equivalents) from oat xylan per minute at pH 5,1 and 50 °C."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "1 QGU is the amount of enzyme which liberates 1 micromole of reducing sugars (glucose equivalents) from barley beta-glucan per minute at pH 4,8 and 50 °C.’"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2003/316/annex/II",
    "retrieved_at": "2026-11-01T14:56:10.054059+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}