title: Effect of dietary protein on the intestinal biosynthesis of retinol from  14 C- -carotene in rats.
mesh_terms: D000818:Animals; D002247:Carbon Isotopes; D002338:Carotenoids / Q000378:metabolism*; D003106:Colon / Q000378:metabolism; D004044:Dietary Proteins / Q000008:administration & dosage; D004064:Digestive System / Q000378:metabolism; D004952:Esters / Q000096:biosynthesis; D005753:Gastric Mucosa / Q000378:metabolism; D007421:Intestine, Small / Q000378:metabolism*; D007553:Isotope Labeling; D050356:Lipid Metabolism; D008055:Lipids / Q000302:isolation & purification; D051381:Rats; D014801:Vitamin A / Q000096:biosynthesis* / Q000097:blood
chemical_list: D002247:Carbon Isotopes; D004044:Dietary Proteins; D004952:Esters; D008055:Lipids; D014801:Vitamin A; D002338:Carotenoids