Hepatoprotective effect of Origanum vulgare in Wistar rats against carbon tetrachloride-induced hepatotoxicity

Mohammad Sikander, Shabnam Malik, Kehkashan Parveen, Maqsood Ahmad, Deepak Yadav, Zubair Bin Hafeez, Manish Bansal
Protoplasma 2013, 250 (2): 483-93
The effect of an aqueous extract of Origanum vulgare (OV) leaves extract on CCl4-induced hepatotoxicity was investigated in normal and hepatotoxic rats. To evaluate the hepatoprotective activity of OV, rats were divided into six groups: control group, O. vulgare group, carbon tetrachloride (CCl4; 2 ml/kg body weight) group, and three treatment groups that received CCl4 and OV at doses of 50, 100, 150 mg/kg body weight orally for 15 days. Alanine amino transferase (ALT), alkaline phosphatase (ALP), and aspartate amino transferase (AST) in serum, lipid peroxide (LPO), GST, CAT, SOD, GPx, GR, and GSH in liver tissue were estimated to assess liver function. CCl4 administration led to pathological and biochemical evidence of liver injury as compared to controls. OV administration led to significant protection against CCl4-induced hepatotoxicity in dose-dependent manner, maximum activity was found in CCl4 + OV3 (150 mg/kg body weight) groups and changes in the hepatocytes were confirmed through histopathological analysis of liver tissues. It was also associated with significantly lower serum ALT, ALP, and AST levels, higher GST, CAT, SOD, GPx, GR, and GSH level in liver tissue. The level of LPO also decreases significantly after the administration of OV leaves extract. The biochemical observations were supplemented with histopathological examination of rat liver sections. Thus, the study suggests O. vulgare showed protective activity against CCl4-induced hepatotoxicity in Wistar rats and might be beneficial for the liver toxicity.

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