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Hepatoprotective action of dry aqueous extract from Boerhavia erecta L. (toston) in rats
[摘要] INTRODUCTION: several in vitro studies of the aqueous extract from Boerhavia erecta L. and the human hepatome cell line PLC/PRF/5 showed suppression in the formation of hepatitis B surface antigen (HbsAg) and the inhibitory action of the antigen present in human serum contaminated with hepatitis B surface antigen. OBJECTIVES: to determine the in vivo hepatoprotective effect of the aqueous extract from B. erecta. METHODS: male Wistar rats were treated with 250 and 500mg of dry extract per kg intragastrically for 5 days, with induced hepatic damage on the last day, using 1 ml/kg of a 1:1 mixture of carbon tetrachloride and olive oil; after 24 hours, blood samples were taken to determine enzymatic activity of alanine-aminotransferase and for the euthanasia of the rats in order to perform the histological study of their livers. RESULTS: the extract caused significant reduction in the enzymatic activity of alanine-aminotransferase from treated rat sera and provided complete protection to the parenchyma of those animals which were administered 500 mg/kg dose. CONCLUSIONS: the in vivo hepatoprotective effect of B. erecta aqueous extract was shown against carbon tetrachloride-induced damage.
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[效力级别]  [学科分类] 药理学
[关键词] : rats;Boerhavia erecta;hepatoprotective [时效性] 
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