Journal
ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY
Volume 35, Issue 3, Pages 361-368Publisher
ELSEVIER
DOI: 10.1016/j.etap.2013.01.008
Keywords
Lead nitrate; Black grapes; Oxidative stress; Liver; Kidney
Funding
- Malla Reddy College of Pharmacy, Secunderabad
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From time immemorial Vitis vinifera (Black grapes) have been used both for medicinal and nourishment purposes. The aim of this study is to investigate the protective effect of Black grapes against lead nitrate induced oxidative stress. Exposure to lead significantly increased malondialdehyde levels with a significant decrease in superoxide dismutase and catalase activities, and the concentration of GSH in the liver and kidneys of rats. Significantly increased levels of AST, ALT, ALP, BUN and serum creatinine and decreased levels of total protein were observed. The administration of lead significantly decreased the body weight and organ weights at the end of the experimental period. Statistically significant decrease in hemoglobin, red blood cell and total leukocyte count was observed. Pretreatment of hydroalcoholic extract of Black grapes to lead exposed rats significantly ameliorated lead-induced oxidative stress in tissues and produced improvement in hematological parameters over lead-exposed rats, indicating the beneficial role of Black grapes to counteract the lead-induced oxidative stress. (c) 2013 Elsevier B.V. All rights reserved.
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