Diet selection and metabolic fuels in three models of diabetes mellitus.
Dietary self-selection and circulating metabolic fuels (glucose, free fatty acids, ketones) were examined in three forms of experimental diabetes mellitus in rats: pancreatectomy and streptozotocin treatment in adult and neonatal rats. Changes in diet selection resulting from insulin replacement also were examined. Differences were found in diet selection and circulating metabolic fuels between these types of diabetes. Mildly diabetic rats selected large amounts of fat while more severely diabetic rats primarily selected protein. Insulin treatment enhanced carbohydrate intake of diabetic rats and nearly normalized diet selection and circulating metabolic fuels. All diabetic groups exhibited severe glucose intolerance. These results support the observations of the beneficial effects of low-carbohydrate diets, question the generality of the use of high-fat diets, and suggest a more important role for high-protein diets in energy regulation in severely diabetic rats.[1]References
- Diet selection and metabolic fuels in three models of diabetes mellitus. Bartness, T.J., Rowland, N.E. Physiol. Behav. (1983) [Pubmed]
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