Hepatoprotective agents could prevent tissue damage and reduce morbidity and mortality rates; such agents may include folkloric or alternative treatments. The present study evaluated the protective effects of the flavonoid-rich fraction from rhizomes of Smilax glabra Roxb. (SGF) on carbon tetrachloride (CCl4)-induced hepatotoxicity in rats. Sprague-Dawley male rats were orally treated with SGF daily and received CCl4 intraperitoneally twice a week for 4 weeks. Our results showed that SGF at doses of 100, 300 and 500 mg/kg significantly reduced the elevated activities of serum aminotransferases (ALT and AST), alkaline phosphatase and lactate dehydrogenase and the level of hepatic thiobarbituric acid–reactive substances compared to the CCl4-treated group. Moreover, SGF treatment was also found to significantly increase the activities of superoxide dismutase, catalase, glutathione peroxidase, glutathione reductase, glutathione-S-transferase and glutathione compared with CCl4-induced intoxicated liver. Histopathologic examination revealed that CCl4-induced hepatic damage was markedly reversed by SGF. The results suggest that SGF has hepatoprotective and antioxidant properties in CCl4-induced liver injury in rats.
The Journal of Membrane Biology – Springer Journals
Published: May 17, 2013
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