الفهرس 
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Abstract
Obesity is a state of excess adipose tissue mass. Although often viewed as equivalent to increase body weight, this need not be the case-lean but very muscular individuals may be overweight by numerical standards without having increased adiposity. Obesity is defined by assessing its linkage to morbidity or mortality. Although not a direct measure of adiposity, the most widely used method to gauge obesity is the body mass index (BMI). In the present study, the chemical composition, bioactive compounds content and antioxidant activities of three food processing by-products (orange peel, eggplant peel, and tomato pomace)
The selected plant parts from food processing by-products were taken in the statistical analysis, there was a positive and highly significant (r2= 0.799 to 0.8631, p< 0.05) Obesity induced a significant increased (p≤0.05) in AST (33.11%), ALT (41.19%) and ALP (31.56%) compared to normal control group. Dietary intervention with OPP, TPP, EPP and their mixture on the diet by 7.5% induced significant decreasing on liver AST, ALT and ALP activities by the ratio of 21.59, 14.64, 21.86 and 12.37%; 21.72, 14.87, 15.70 and 7.04%; and 23.41, 21.26, 19.88 and 15.71%, from the starting point, respectively. Thus, the higher effects in manipulation of the liver enzymes activity disorders induced by obesity in rats were recorded for the Mix followed by TPP, EPP and OPP, respectively. Obesity induced a significant increased (p≤0.05) in serum glucose (36.64%) compared to normal control group. Dietary intervention with OPP, TPP, EPP and their mixture on the diet by 7.5% induced significant decreasing on blood glucose