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Oxidant and Antioxidant status in vegetarians and fish eaters

Manjrekar, Poornima and Cariappa, KM and *, Asha K and *, Kedilaya H.P. and *, Nandini M. (2003) Oxidant and Antioxidant status in vegetarians and fish eaters. Indian Journal of Clinical Biochemistry, 18 (2). pp. 197-205. ISSN 0970-1915

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Abstract

An adequate antioxidant reserve which is usually present in a vegetarian diet is associated with higher life expectancy. On the other hand habitual consumption of fish is associated with lower risk of cardiovascular diseases which is attributed to the polyunsaturated fatty acids (PUFA) present in it. However the PUFA are readily susceptible to oxidation leading to the formation of free radicals which is known to be involved in the causation of several diseases. The oxidant-antioxidant status of 23 vegetarians and 22 fish eaters was studied by determining the plasma lipid peroxides measured as malondialdehyde (MDA) and the antioxidants, viz. glutathione (GSH), ascorbic acid, ceruloplasmin and uric acid. Results show that the ascorbic acid values were significantly higher in vegetarians. In addition, MDA correlated negatively with ascorbic acid only in vegetarians. However, correlation of MDA with glutathione showed a significant negative correlation only in fish eaters. There was no statistically significant difference in the MDA, GSH, ceruloplasmin and uric acid levels. The mechanism behind these findings are not clear and needs to be explored.

Item Type: Article
Uncontrolled Keywords: Antioxidants, ceruloplasmin, free radicals, glutathione, lipid peroxide, malondialdehyde
Subjects: Medicine > KMC Mangalore > Biochemistry
Medicine > KMC Mangalore > Community Medicine
Depositing User: KMCMLR User
Date Deposited: 01 Aug 2014 10:30
Last Modified: 01 Aug 2014 10:30
URI: http://eprints.manipal.edu/id/eprint/140302

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