Relationship between amino acid composition of diet and plasma cholesterol level in growing rats fed a high cholesterol diet.

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概要

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• The effects of dietary sulfur-containing amino acids and glycine on plasma cholesterol level were studied in rats fed amino acid mixture diets containing cholesterol. The relationship between the amino acid composition of dietary proteins and plasma cholesterol levels was also investigated in rats fed diets containing various kinds of protein such as casein, egg albumin, pork protein, fish protein, corn gluten, wheat gluten and soy protein. Feeding the amino acid mixture corresponding to casein led to an approximately two-fold level of plasma total cholesterol as compared with feeding the amino acid mixture corresponding to wheat gluten. It was possible to reduce the plasma cholesterol of rats fed the amino acid mixture of the casein type by increasing the proportion of cystine in the total sulfur amino acids. Inversely, the deprivation of cystine resulted in an enhancement of the plasma cholesterol of rats fed the gluten type amino acid mixture. Glycine had a tendency to resist increases in the plasma cholesterol level. A significant negative correlation was noted between plasma cholesterol levels and the content of cystine in intact dietary proteins. The results suggest that the differential effect of dietary proteins on plasma cholesterol level is mainly associated with sulfur-containing amino acids included in the protein, regardless of whether it is of animal or plant origin.

• 財団法人 学会誌刊行センターの論文

著者

• 村松 敬一郎

  Laboratory of Food and Nutrition, Department of Agricultural Chemistry, Faculty of Agriculture, Shizuoka Unviersity

• 村松 敬一郎

  Laboratory of Food and Nutrition, Department of Agricultural Chemistry, Faculty of Agriculture

• 杉山 公男

  Laboratory of Food and Nutrition, Department of Agricultural Chemistry, Faculty of Agriculture, Shizuoka Unviersity

• 大川 勢津子

  Laboratory of Food and Nutrition, Department of Agricultural Chemistry, Faculty of Agriculture, Shizuoka Unviersity

• 杉山 公男

  Laboratory of Food and Nutrition, Department of Agricultural Chemistry, Faculty of Agriculture, Shizuoka University

関連論文

• THE RELATIONSHIP BETWEEN WEIGHT GAIN AND FREE AMINO ACID CONCENTRATION OF PLASMA AND LIVER IN RATS FED A DIET SUPPLEMENTED WITH VARIOUS AMOUNTS OF LYSINE
• EFFECT OF SUPPLEMENTATION OF LIMITING AMINO ACIDS ON TYROSINE TOXICITY IN RATS FED WHEAT GLUTEN DIETS
• EFFECT OF INDIVIDUAL AMINO ACID SUPPLEMENTS ON THE TOXICITY OF EXCESS TYROSINE IN RATS
• BENEFICIAL EFFECT OF METHIONINE AND THREONINE SUPPLEMENTS ON TYROSINE TOXICITY IN RATS
• Self-selection of histidine and arginine intake and the requirements for these amino acids in growing rats.
• Relationship between amino acid composition of diet and plasma cholesterol level in growing rats fed a high cholesterol diet.
• Effects of methionine and related compounds on plasma cholesterol level in rats fed a high cholesterol diet.
• Effect of green tea catechins on plasma cholesterol level in cholesterol-fed rats.
• Effect of individual amino acids on plasma cholesterol level in rats fed a high cholesterol diet.
• Dietary sulfur-containing amino acids and glycine as determinant factors in plasma cholesterol regulation in growing rats.
• Effect of dietary glycine on methionine metabolism in rats fed a high-methionine diet.
• Self-selection of phenylalanine in the rat.

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