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IJBB Vol.42(4) [August 2005] >


Title: Antioxidant activity of ethanolic extract of Terminalia chebula fruit against isoproterenol-induced oxidative stress in rats
Authors: Suchalatha, Subramaniyan
Devi, Chennam Srinivasulu Shyamala
Keywords: Terminalia chebula
Isoproterenol
Myocardial infarction
Lipid peroxidation
Antioxidant
Issue Date: Aug-2005
Publisher: CSIR
IPC CodeA61P9/00, A61P9/10
Abstract: Antioxidant activity of ethanolic extract of fruits of Terminalia chebula (500 mg/kg body wt, orally for 30 days) against isoproterenol-induced oxidative stress was investigated in rats. The levels of serum lipid peroxides, iron, ascorbic acid, vitamin E, plasma iron-binding capacity, and the activities of ceruloplasmin and glutathione were assayed, in addition to the activities of the antioxidant enzymes — glutathione peroxidase, glutathione reductase, glutathione-S-transferase, superoxide dismutase and catalase in the heart tissue. Administration of isoproterenol increased the levels of lipid peroxides and iron, with corresponding decrease in the activities of the enzymic and non-enzymic antioxidants. The pre-treatment with ethanolic extract of fruits significantly prevented the alterations induced by isoproterenol, and maintained a near normal antioxidant status. Results suggest that the cardioprotective effect of T. chebula fruit may partly be attributed to its antioxidant properties.
Page(s): 246-249
ISSN: 0301-1208
Source:IJBB Vol.42(4) [August 2005]

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