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Influence of meal-feeding on some of the effects of dietary carbohydrate deficiency in rats*

Published online by Cambridge University Press:  09 March 2007

S. S. Akrabawi  and
J. P. Salji
S. S. Akrabawi
Affiliation:
Department of Food Technology and Nutrition, Faculty of Agricultural Sciences, American University of Beirut, Beirut, Lebanon
J. P. Salji
Affiliation:
Department of Food Technology and Nutrition, Faculty of Agricultural Sciences, American University of Beirut, Beirut, Lebanon
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Abstract

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1. Experiments were conducted to investigate the effects of feeding rats on a diet based on a mixture of maize oil fatty acids as the only source of non-protein energy (fatty acid diet) and the influence on these effects of giving such a diet in a single daily meal lasting 2 h.

2. In comparison with a triglyceride diet in which the non-protein energy was in the form of maize oil, feeding ad lib. with the fatty acid diet produced no significant changes in body-weight gain, plasma glucose and plasma ketones concentrations, liver glycogen concentration and protein efficiency ratio.

3. In comparison with the triglyceride diet, meal-feeding with the fatty acid diet produced significantly lower body-weight gain and protein efficiency ratio; moreover, it significantly lowered plasma glucose and liver glycogen concentrations.

4. Rats meal-fed on the fatty acid diet synthesized glucose from protein, as evidenced by the significantly higher liver glycogen concentration detected 6 h after the meal had been eaten, but the increase was significantly lower than in the animals fed on the triglyceride diet. Also, 6 h after the meal had been eaten, the amount of meal remaining in the stomach of rats meal-fed on the fatty acid diet was significantly higher than in those fed on the triglyceride diet.

Type
General Nutrition
Information
British Journal of Nutrition , Volume 30 , Issue 1 , July 1973 , pp. 37 - 43
Copyright
Copyright © The Nutrition Society 1973

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