EFFECT OF TRYPTOPHAN DEFICIENCY ON THE URINARY EXCRETION OF TRYPTOPHAN AND NIACIN METABOLITES IN RATS

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概要

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• The effect of tryptophan deficiency on the urinary excretion of tryptophan and niacin metabolites and riboflavin, and on nitrogen balance has been examined in rats. The excretion of xanthurenic acid decreases, and the excretion of N1-methylnicotinamide (MNA) slightly increases when tryptophan is deficient. But the increase in MNA excretion was not statistically significant, perhaps owing to the scatter of the data. Decrease in the excretion of N-methyl-2-pyridone-5-carboxamide (pyridone) is as low as 1/2 to 1/20 of the control level when tryptophan is deficient. The excretion of riboflavin increases when tryptophan is deficient.

• 財団法人 学会誌刊行センターの論文

著者

• 大栗 サダ

  Department of Maternal and Child Health, Institute of Public Health, Shirokanedai

• 大栗 サダ

  Department of Maternal and Child Health, Institute of Public Health

関連論文

• EFFECT OF TRYPTOPHAN DEFICIENCY ON THE URINARY EXCRETION OF TRYPTOPHAN AND NIACIN METABOLITES IN RATS
• The relation between urinary excretion of tryptophan and niacin metabolites and pyridine nucleotides in the liver in rats fed a tryptophan-deficient diet.

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