Effects of Dietary n-6 and n-3 Lipids on Antioxidant Defense System in Livers of Exercised Rats
Jaya T. Venkatraman, PhD, CNS,
Poomchai Angkeow, MS,
Neera Satsangi, PhD and
Gabriel Fernandes, PhD, CNS,
Nutrition Program (J.T.V., P.A.), Department of Physical Therapy, Exercise and Nutrition Sciences, State University of New York at Buffalo, Buffalo, New York
Department of Medicine (N.S., G.F.), University of Texas Health Science Center, San Antonio, Texas
Department of Microbiology and Physiology (G.F.), University of Texas Health Science Center, San Antonio, Texas

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Fig. 1. Effects of lipids on cytosolic catalase activity in sedentary and exercised rats. Values (mean±SEM, n=4) with different superscripts are significantly different at p<0.05 as revealed by Fishers PLSD test; CO=corn oil; FO=fish oil.
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Fig. 2. Effects of lipids and exercise on cytosolic superoxide dismutase activity in rats. One unit of SOD was defined as the amount of SOD required to inhibit the rate of cytochrome c by 50%. Values (mean±SEM, n=4) with different superscripts are significantly different at p<0.05 as revealed by Fishers PLSD test; CO=corn oil; FO=fish oil.
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Fig. 3. Effects of lipids and exercise on cytosolic glutathione peroxidase activity in rats. Values (mean±SEM, n=4) with different superscripts are significantly different at p<0.05 as revealed by Fishers PLSD test; CO=corn oil; FO=fish oil.
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Fig. 4. Effect of dietary lipids and exercise on TBARS generation in the liver microsomes of rats. Values (mean±SEM, n=4) with different superscripts are significantly different at p<0.05; CO=corn oil; FO=fish oil; MDA=malondialdehyde.
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Fig. 5. Effects of dietary lipids and exercise on serum vitamin E levels in rats. Values (mean±SEM, n=4) with different superscripts are significantly different at p<0.05; CO=corn oil; FO=fish oil.
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Copyright © 1998 by the American College of Nutrition.