Hepatoprotective and antioxidant activity of Phaseolus trilobus, Ait on bile duct ligation induced liver fibrosis in rats
2010
Fursule, R.A. | Patil, S.D.
Ethnopharmacological relevance: Phaseolus trilobus Ait (Fabaceae) is extensively used by tribal people of Nandurbar district (Maharashtra, India) in the treatment of Jaundice and other liver disorders. Aim: of the present study was to assess the medicinal claim of Phaseolus trilobus as hepatoprotective and antioxidant. Material and methods: The hepatoprotective activity of methanol and aqueous extract of Phaseolus trilobus was evaluated by bile duct ligation induced liver fibrosis and antioxidant activity was evaluated using in vitro and in vivo antioxidant models viz anti-lipid peroxidation assay, super oxide radical scavenging assay and glutathione estimation in liver. Liver function tests were carried out to detect hepatoprotective activity, which was further supported by histopathological examination. Results: Methanol and aqueous extracts of Phaseolus trilobus reduced elevated level of alanine aminotransferase (ALT), aspartate aminotransferase (AST), alkaline phosphatase (ALP), lactate dehydrogenase (LDH), bilirubin and hydroxyproline significantly (p <0.01) in bile duct ligated Wistar rats, proving hepatoprotective activity comparable with Silymarin. Both the extracts were found to reduce the elevated levels of serum thiobarbituric acid reactive substance (TBARS) and elevate superoxide scavenging radical activity proving antioxidant activity comparable with ascorbic acid. The reduced level of glutathione was found to be elevated in liver proving antioxidant activity comparable with Silymarin. Conclusion: Phaseolus trilobus posses hepatoprotective property and is effective in oxidative stress induced cholestatic hepatic injury.
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