Relationship between Protein Intake and the Ratio of N^1-Methyl-2-pyridone-5-carboxamide and N^1-Methyl-4-pyridone-3-carboxamide to N^1-Methylnicotinamide Excretion(Food & Nutrition)
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概要
- 論文の詳細を見る
The relationship between protein intake and the ratio of N^1-methyl-2-pyridone-5-boxamide and N^1-methyl-4-pyridone-3-carboxamide to N^1-methylnicotinamide excretion in rats and humans was investigated. This ratio was recommended as an index of the niacin status by de Lange and Joubert. In rats, this ratio decreased on changing the diet from a normal niacin-containing diet to an excess niacin-containing diet. Furthermore, this ratio extremely increased on changing the diet from a 10% casein diet to a 20% casein diet, and decreased on changing the diet from the 20% casein diet to the 10% casein diet, even though the intake of niacin in both cases was about the same. In humans, the correlation between protein intake and this ratio is statistically significant at p<0.001 (r=0.728), although the correlation between niacin equivalent intake and this ratio is not significant. Therefore, the ratio of N^1-methyl-2-pyridone-5-carboxamide and N^1-methyl-4-pyridone-3-carboxamide to N^1-methylnicotinamide excretion might be a more useful index for assessing the protein status than as an index for assessing the niacin status in rats and humans.
- 社団法人日本農芸化学会の論文
- 1988-11-23
著者
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SHIBATA Katsumi
Laboratory of Food Science and Nutrition, Department of Life Style Studies, School of Human Cultures
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Shibata K
Laboratory Of Nutritional Biochemistry Department Of Food Science And Nutrition Teikoku Women's
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MATSUO Hiroko
Laboratory of Nutritional Biochemistry, Department of Food Science and Nutrition, Teikoku Women's Un
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Shibata Katsumi
Laboratories Of Food Science And Nutrition Department Of Life Style Studies School Of Human Cultures
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Matsuo Hiroko
Laboratory Of Nutritional Biochemistry Department Of Food Science And Nutrition Teikoku Women's
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