| 19382721 |
Girish C, Koner BC, Jayanthi S, Rao KR, Rajesh B, Pradhan SC: Hepatoprotective activity of six polyherbal formulations in CCl4-induced liver toxicity in mice. Indian J Exp Biol. 2009 Apr;47(4):257-63.
To evaluate pretreatment of six polyherbal liquid formulations (PLFs) commercially available in India, on CCl4-induced liver injury, Swiss albino mice were treated for 7 days with distilled water or PLFs (2.6 and 5.2 ml/kg body weight/day, po) followed by single sc injection of 50% (v/v) CCl4 in arachis oil at a dose of 1 ml/kg. The serum biochemical parameters such as alanine transaminases, aspartate transaminases and alkaline phosphatase were estimated. Phenobarbitone-induced sleeping time and liver histopathology were also carried out. CCl4-treated animals showed significant increase in the levels of liver enzymes, phenobarbitone-induced sleeping time and revealed fatty changes and centrizonal necrosis on histological examination of liver indicating hepatic damage. When pretreated with PLFs at a dose of 5.2 ml/kg body weight/day, the CCl4-induced changes were significantly reversed. The pretreatment with PLFs can prevent acute liver damage induced by CCl4 only at a higher dose. Therefore, it is suggested that a dose adjustment of these PLFs may be necessary for their optimal effects in human liver diseases. |
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