title: Biosynthesis of vitamin A from beta-carotene.
mesh_terms: D000818:Animals; D002338:Carotenoids / Q000378:metabolism*; D004355:Drug Stability; D006358:Hot Temperature; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007408:Intestinal Absorption; D007413:Intestinal Mucosa / Q000201:enzymology / Q000378:metabolism*; D008208:Lymphatic System / Q000502:physiology; D008970:Molecular Weight; D009243:NAD; D010105:Oxygenases / Q000378:metabolism*; D051381:Rats; D013552:Swine; D014316:Tritium; D014801:Vitamin A / Q000096:biosynthesis*
chemical_list: D009243:NAD; D014316:Tritium; D014801:Vitamin A; D002338:Carotenoids; D010105:Oxygenases