The effects of some antioxidant vitamin‐ and trace element‐supplemented diets on activities of SOD, CAT, GSH‐Px and LPO levels in chicken tissues

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Abstract
The effect of diets containing antioxidant vitamins and trace elements on chicken tissue activities of SOD, CAT, GSH‐Px and of LPO levels was investigated. Chickens, 45 weeks of age were divided into six groups: control group, Cu group (13.2 mg Cu kg−1 diet); Se group (0.07 mg Se kg−l diet); vitamin E group (70 mg DL‐α‐tocopherol acetate kg−1 diet) and a constant level vitamin C, 200 mg kg−1 diet); vitamin A group (240 mg retinol acetate kg−1 diet) and vitamin C group (500 mg ascorbic acid kg−1 diet).Significant variation of these antioxidant enzyme activities and LPO levels according to gender was demonstrated statistically. In the Cu group, CuZnSOD activity in the liver, erythrocyte, kidney and heart significantly increased by 75, 40, 12, 12% respectively (PPP−1 P<0.001. The resistance to stress of the vitamin E and C groups, which had significantly increased activities of antioxidant enzymes and decreased lipid peroxide levels, were determined in 60% moisture medium at 45°C. Copyright © 2001 John Wiley & Sons, Ltd.

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