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  • Title: Hypolipidemic and antiperoxidative effect of coconut protein in hypercholesterolemic rats.
    Author: Salil G, Rajamohan T.
    Journal: Indian J Exp Biol; 2001 Oct; 39(10):1028-34. PubMed ID: 11883511.
    Abstract:
    Effect of coconut protein in rats fed high fat cholesterol containing diet on the metabolism of lipids and lipid peroxides was studied. In addition, effect of coconut protein were compared with rats fed L-arginine. The results indicate that those fed coconut protein and those fed L-arginine showed significantly lower levels of total cholesterol, LDL+ VLDL cholesterol, Triglycerides and Phospholipids in the serum and higher levels of serum HDL cholesterol. The concentration of total cholesterol, triglycerides and phospholipids in the tissues were lower in these groups. There was increased hepatic cholesterogenesis which is evident from the higher rate of incorporation of labeled acetate into free cholesterol. Increased conversion of cholesterol to bile acids and increased fecal excretion of bile acids were observed. Feeding coconut protein results in decreased levels of Malondialdehyde in the heart and increased activity of Superoxide dismutase and Catalase. Supplementation of coconut protein causes increased excretion of urinary nitrate which implies higher rate of conversion of arginine into nitric oxide. In the present study, the arginine supplemented group and the coconut protein fed group produced similar effects. These studies clearly demonstrate that coconut protein is able to reduce hyperlipidemia and peroxidative effect induced by high fat cholesterol containing diet and these effects are mainly mediated by the L-arginine present in it.
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