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Annex I SPECIFICATION OF UV-TREATED BAKER'S YEAST

United Kingdom

Original text. Later amendments are not shown.

Definition

  • Baker's yeast (Saccharomyces cerevisiae) is treated with ultraviolet light to induce the conversion of ergosterol to vitamin D2 (ergocalciferol). Vitamin D2 content in the yeast concentrate varies between 1 800 000-3 500 000 IU vitamin D/100 g (450-875 μg/g).

    • Description

  • Tan-coloured, free-flowing granules

    • Vitamin D2
  • Chemical name(5Z,7E,22E)-3S-9,10-secoergosta-5,7,10(19),22-tetraen-3-ol
    SynonymErgocalciferol
    CAS No50-14-6
    Molecular weight396,65 g/mol
    • Microbiological criteria of the yeast concentrate
  • ColiformsNot more than 1 000/g
    Escherichia coli Not more than 10/g
    Salmonella spp.Absent in 25 g