Nutritive Effect of Alternate Daily Ingestion of High- and Non-protein Diets in Growing Rats(Food & Nutrition)

概要

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Rats were fed for 5 weeks with a non-protein diet and either a 20%, 40% or 60% casein diet on alternate days. The growth and functional changes under such feeding conditions were compared with those in rats given free access to a 5%, 10% or 20% casein diet during the period. Two groups with alternation of the non-protein and high-protein (40% or 60% casein) diets, irrespective of the high protein intake as a whole, were almost equal in growth to a control daily receiving the 10% casein diet. The plasma protein, glucose and fat levels in these groups were similar to those in another control daily receiving the 20% casein diet. Although the group with alternation of the non-protein and 20% casein diets was inferior in growth to the above two groups, the plasma parameter levels were similar to those in the control daily receiving the 10% casein diet. A considerable increase in the hepatic levels of glutathione and serine dehydratase activity was observed in the group with alternate-day ingestion of the 60% casein diet. Nevertheless, a comparison of the free amino acid levels in the plasma revealed that alternate-day ingestion of the 40% or 60% casein diet nutritionally approximated to daily ingestion of the 10% casein diet rather than to daily ingestion of the 20% casein diet.
社団法人日本農芸化学会の論文
1991-11-23