METABOLIC PATHWAYS OF CAROTENE TO VITAMIN A IN ANIMALS:III. DEGRADATION OF β-CAROTENE AND VITAMIN A IN RAT INTESTINE
スポンサーリンク
概要
- 論文の詳細を見る
1. Using pure standard preparations it was found that vitamin A acid could be produced from natural vitamin A aldehyde by treating with a dilute alkaline solution according to Cannizzaro's reaction, judging from the findings of spectrophotometry and paper chromatography.2. Metabolic pathways of β-carotene, vitamin A aldehyde and vitamin A alcohol under anaerobic condition were studied using the intestine of rats, and it was demonstrated that the terminal fission of β-carotene might take place, yielding proteinbound vitamin A aldehyde and β-ionone.3. Further, the same experiments were performed under aerobic condition, and the fates of β-carotene and vitamin A were studied. The results suggest that at the final step of vitamin A metabolism in the intestine, protein-bound vitamin A aldehyde might be converted to vitamin A alcohol and vitamin A acid.
- 日本ビタミン学会の論文
著者
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佐橋 佳一
Laboratory Biochemistry and Nutrition, Tokyo University of Agriculture
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鈴木 隆雄
Laboratory of Biochemistry and Nutrition, Department of Agricultural Chemistry, Tokyo University of Agriculture
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古泉 巌
Laboratory of Veterinary Physiology, Azabu Veterinary University
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鈴木 隆雄
Laboratory Biochemistry and Nutrition, Tokyo University of Agriculture
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