Vitamin A

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Vitamin A is a group o unsaturatit nutreetional organic compoonds that includes retinol, retinal, retinoic acid, an several provitamin A carotenoids (maist notably beta-carotene).[1] Vitamin A haes multiple functions: it is important for growthe an development, for the maintenance o the immune seestem an guid veesion.[2][3]

References[eedit | eedit soorce]

  1. Fennema, Owen (2008). Fennema's Food Chemistry. CRC Press Taylor & Francis. pp. 454–455. ISBN 9780849392726.
  2. "Vitamin A". MedlinePlus, National Library of Medicine, US National Institutes of Health. 2 December 2016.
  3. Tanumihardjo SA (2011). "Vitamin A: biomarkers of nutrition for development". The American Journal of Clinical Nutrition. 94 (2): 658S–665S. doi:10.3945/ajcn.110.005777. PMC 3142734. PMID 21715511.