期刊
FOOD AND CHEMICAL TOXICOLOGY
卷 46, 期 12, 页码 3759-3763出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2008.09.059
关键词
Cactus (Opuntia ficus indica) cladodes; Nickel; Antioxidant enzymes; Cholesterol; Triglycerides; LDH; ALT; AST
资金
- Tunisian Ministry Education, Scientific Research and Technology
The purpose of this study carried out on male Wistar rats. was to evaluate the protective effects of regular ingestion of juice from the prickly pear Cactus (Opuntia ficus indica) cladodes against nickel chloride toxicity. Rats were given either normal tap water or water containing 25% of cactus juice for one month. Then, rats of each group were injected daily, for 10 days, with either NiCl2 solution (4 mg (30 mu mol)/kg body weight) or with the same volume of saline solution (300 mM NaCl). Significant increases of lactate dehydrogenase, aspartate aminotransferase. alanine aminotransferase activities and of cholesterol, triglycerides and glucose levels were observed in blood of nickel-treated rats. in the liver, nickel chloride was found to induce an oxidative stress evidenced by an increase in lipid peroxidation and changes in antioxidant enzymes activities. Superoxide-dismutase (SOD) activity was found to be increased whereas glutathione peroxidase and catalase activities were decreased. These changes did not occur in animals previously given Cactus juice, demonstrating a protective effect of this vegetal extract. (c) 2008 Elsevier Ltd. All rights reserved.
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