Abstract
n the current study the effect of whey protein concentrate (WPC), whey protein hydrolysate (WPH), casein and soy protein (SP) on blood glucose, lipid profile and protein pattern in alloxan-induced diabetes in rats was investigated. Male albino rats were divided into six groups each of 7 rats. Two groups served as control (normal and diabetic rats) and the other four groups were induced diabetes then given the diet supplemented with 20 % of casein, WPC, WPH and SP for 28 days. The results revealed increases in serum biochemical parameters including glucose, triglycerides, total cholesterol and LDL-cholesterol, in addition to decreases in HDL-cholesterol and body weight. While, at the end of the feeding period, all tested groups showed increase in their body weight in different values, also the mentioned biochemical parameters turned to their initial values. On the other hand nonsignificant changes were found in protein pattern parameters. Therefore it can be concluded that the highest recovery of hypoglycemic effect was observed in the groups which received whey protein hydrolsate, soy protein came in the second place followed by whey protein concentrate while, casein came in the last place.
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