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KMID : 1200820090090030225
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Oriental Pharmacy and Experimental Medicine
2009 Volume.9 No. 3 p.225 ~ p.231
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Hepatoprotective and free radical scavenging activities of Lagerstroemia speciosa Linn. leaf extract
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Thambi Priya
Sabu Mandumpal Chacko
Chungath Jolly
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Abstract
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The present study deals with the amelioration by Lagerstroemia speciosa Linn. leaf extract against hepatotoxicity induced by carbon tetrachloride (), which was evaluated in terms of serum marker enzymes like serum glutamate pyruvate transaminase, serum glutamate oxaloacetate transaminase, alkaline phosphatase, serum total bilirubin, total protein levels along with concomitant hepatic and antioxidants like superoxide dismutase, catalase, glutathione, glutathione peroxidase and lipid peroxidation enzymes were monitored. These biochemical parameters altered by the single dose level of (0.75 ml/kg body weight, i.p). Pre treatment with L. speciosa prior to the administration of , at the doses of 50 and 250 mg/kg. body weight/day, p.o. for 7 days, significantly restored all the serum and liver tissue parameters near to the normal levels, respectively. Silymarin was used as a reference standard, prior to the administration of to rats. These findings indicate the protective potential of L. speciosa against hepato toxicity which possibly involve mechanism related to its ability of selective inhibitors of (reactive oxygen species like antioxidants brought about significant inhibition of TBARS suggesting possible involvement of , , and . In conclusion, the amelioration may be attributed to the synergistic effects of its constituents rather than to any single factor as the leaves are rich in tannins, sterols, flavonoids, saponins etc.
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KEYWORD
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Lagerstroemia speciosa, Hepatoprotective activity, Antioxidant
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