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Food Chem Toxicol. 2009 Jul;47(7):1584-90. doi: 10.1016/j.fct.2009.04.005. Epub 2009 Apr 23.

Protective effect of ginger extract against bromobenzene-induced hepatotoxicity in male rats.

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Department of Biochemistry, Faculty of Science, Moharam Bik. Alexandria University, Alexandria, Egypt.


The bromobenzene (BB)-induced hepatotoxicity comes from its reactive metabolites. The efficacy of different doses of ginger (Zingiber officinalesRose) extract in alleviating hepatotoxicity was investigated in male albino rats. Oxidative stress parameters were monitored. The drugs metabolizing enzymes; cytochrome P450 and GST, pro-inflammatory marker; COX-2 and the apoptotic marker; caspase-3 were assessed. Animals were assigned to 1 of 5 groups: control group; bromobenzene (460 mg/kg BW) alone, three animal groups 3-5 treated with different doses of ethanolic ginger extract (100, 200, 300 mg/kg BW, respectively) 2 weeks prior bromobenzene (460 mg/kg BW) treatment. Rats received orally ginger extract daily for 21 days whereas bromobenzene treatment for 7 days starting from 15th day of treatment. Oral treatment of BB was found to elicit a significant decrease in the activities of the antioxidant enzymes; SOD, GPx and the GSH level, while the activities of GR and drug metabolizing enzymes; GSTs and Cyt P450 were enhanced. Also, BB-treatment resulted in a great enhanced production of nitric oxide products and activation of COX-2 and caspase-3. Pre-treatment with different doses of ginger extract prior to BB-treatment alleviated its toxic effects on the tested parameters in the three animal groups.

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