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Objective:to investigate the hepatoprotective potential of ether insoluble phenolic components of n-butanol fraction (EPC-BF) of flaxseed against CCl4 -induced liver damage in rats.Materials and Methods:Hepatotoxicity was induced to Wistar rats by administration of 0.2% CCl4 in olive oil (8 mL/kg, i.p.) on the seventh day of treatment. Hepatoprotective potential of EPC-BF at doses, 250 and 500 mg/kg, p.o. was assessed through biochemical and histological parameters.Results:EPC-BF and silymarin pretreated animal groups showed significantly decreased activities of Aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), and level of total bilirubin, elevated by CCl4 intoxication. Hepatic lipid peroxidation elevated by CCl4 intoxication were also found to be alleviated at almost normal level in the EPC-BF and silymarin pretreated groups. Histological studies supported the biochemical findings and treatment of EPC-BF at doses 250 and 500 mg/kg, p.o. was found to be effective in restoring CCl4 -induced hepatic damage. However, EPC-BF did not show dose-dependent hepatoprotective potential. EPC-BF depicted maximum protection against CCl4 -induced hepatic damage at lower dose 250 mg/kg than higher dose (500 mg/ kg).Conclusion:EPC-BF possesses the significant hepatoprotective activity against CCl4 induced liver damage, which could be mediated through increase in antioxidant defenses.

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