{
  "url": "https://openlegislation.uk/eu-regulation-2003-1847/annex-I",
  "json_url": "https://openlegislation.uk/eu-regulation-2003-1847/annex-I.json",
  "legislation": "eur/2003/1847",
  "legislation_title": "Commission Regulation (EC) No 1847/2003 of 20 October 2003 concerning the provisional authorisation of a new use of an additive and the permanent authorisation of an additive already authorised in feedingstuffs (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2003-1847",
  "path": "annex/I",
  "kind": "annex",
  "number": "I",
  "heading": null,
  "text": "One U is the amount of enzyme which liberates 1 micromole of xylose from birchwood xylan per minute at pH 5,3 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\n14\nEndo-1,4-beta-xylanase\nEC 3.2.1.8.\nPreparation of endo-1,4-beta-xylanase produced by Aspergillus niger (CBS 520.94) having a minimum activity of:\nSolid form: 600 U/g\nLiquid form: 300 U/ml\nTurkeys for fattening\n—\n300 U\n—\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 kg of complete feedingstuff:\n300 — 1 200 U\n3.\nFor use in compound feed rich in non-starch polysaccharides, (mainly arabinoxylans) e.g. containing more than 40 % wheat.\n24.10.2007",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "One U is the amount of enzyme which liberates 1 micromole of xylose from birchwood xylan per minute at pH 5,3 and 50 °C.’"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2003/1847/annex/I",
    "retrieved_at": "2026-11-01T14:55:53.036196+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."
}