80%エネルギー制限食下での不規則な摂食がラットの身体および1日のエネルギー代謝に及ぼす影響

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Effects of irregular feeding on a 2 days cycle under an 80% energy restriction were examined on the growth rate, biochemical composition of liver and blood, and daily energy metabolism in 6-12 weeks old rats. The rats were divided into four groups which were fed an experimental diet for 38 days ad libitum (A) every day, 80% diet of group A every day (R80), 100 and 60% diets of group A on alternate days (R100-60), and 120 and 40% diets of group A on alternate days (R120-40), respectively. Body weight gain was significantly lower in group R120-40 than in the other groups. The weights of internal organs were lower in all the restricted groups than in group A. However, their weight ratios to whole body weight were not significantly different among all the groups. Differences in such daily energy metabolism as total energy expenditure per kg body weight were not significant between group A and group R80, which suggested that the rats in group R80 attained metabolic adaptation to the feeding conditions by diminishing their body size. On the other hand, the rats in group R120-40 changed total energy expenditure (TEE) and minimal energy expenditure (MEE) according to the amount of food ingested on alternate days. They maintained MEE on 120% diet days at a level comparable to that of the rats in group R80 and adapted the present irregular feeding conditions by decreasing total activity (TA). However, the decrease in TA brought about by irregular feeding over a long period of time is considered to be undesirable for health.
社団法人日本家政学会の論文
1995-09-15

80%エネルギー制限食下での不規則な摂食がラットの身体および1日のエネルギー代謝に及ぼす影響

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