Journal
JOURNAL OF BIOCHEMICAL AND MOLECULAR TOXICOLOGY
Volume 25, Issue 2, Pages 68-76Publisher
WILEY-BLACKWELL
DOI: 10.1002/jbt.20360
Keywords
Antioxidants; Gallic Acid; Glycoprotein Components; Lipids; Streptozotocin
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We evaluated the protective effects of gallic acid (3,4,5-trihydroxybenzoic acid) on hepatic lipid peroxidation products, antioxidants, glycoprotein components, and lipids in streptozotocin-induced type II diabetic rats. To induce type II diabetes, rats were injected with streptozotocin intraperitoneally at a single dose of 40 mg/kg. Gallic acid (10 and 20 mg/kg) treatment was given to diabetic rats orally using an intragastric tube daily for 21 days. Streptozotocin-induced diabetic rats showed a significant increase in the levels of blood glucose, hepatic lipid peroxidation products, glycoprotein components, lipids, and the activity of HMG-CoA reductase and a significant decrease in the levels of plasma insulin and liver glycogen. In addition to this, the activities/levels of hepatic antioxidants were decreased in diabetic rats. Gallic acid (10 and 20 mg/kg) treatment showed significant protective effects on all the biochemical parameters studied in diabetic rats. Thus, our study shows the antihyperglycemic, antilipid peroxidative, antioxidant, and antilipidemic effects of gallic acid in streptozotocin-induced type II diabetic rats. Adiet containing gallic acid may be beneficial to type II diabetic patients. (C) 2010 Wiley Periodicals, Inc. J Biochem Mol Toxicol 25: 68-76, 2011; View this article online at wileyonlinelibrary.com. DOI 10:1002/jbt.20360
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