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Nomenclature and Formulas
VITAMIN D GROUP
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3-carotene absorption acetate activity adrenals alcohol dehydrogenase amount Anal antiscorbutic appears Arch ascorbic acid content ascorbic acid deficiency assay avidin avitaminosis Biochem Biol biological biotin blood bone C. G. King calcium carbon carotene carotenoids cartilage cells changes Chem chemical chicks Chim coenzyme collagen compounds concentration containing COOH crystalline decrease dehydroascorbic acid diet disease doses effect enzyme epithelia epithelium ester evidence excretion Exptl factor folic acid formation glands growth guinea pigs hemorrhages hydrogen increased injected intake isomers keratinizing L-ascorbic lesions levels liver extract liver oil metabolism method methyl Nature neovitamin normal Nutrition observed obtained occur opsin organs oxidation pernicious anemia Physiol plasma present Proc protein provitamins rats reaction reduced reported requirement retinene rhodopsin scorbutic scorbutic animals scurvy serum showed shown skin solution stereoisomers studies substances suggested symptoms synthesis tion tissues vitamin A deficiency vitamin Bi2