Abstract
The hepatoprotective and antioxidant effect of an ethanolic extract of 'Rocket' Eruca sativa L. (EER), on liver injury induced by carbon tetrachloride (CCl(4)) was investigated. Wistar albino rats were administered 250 and 500 mg/kg body weight extract orally for 10 consecutive days. Marker enzymes GOT, GPT, ALP, GGT and bilirubin were estimated in serum. Whereas, non-protein sulfhydryl (NP-SH), total protein (TP) and malondialdehyde (MDA) were estimated in liver tissue as markers for oxidative stress. Histopathological assessment was also done on liver tissue. CCl(4) induced liver poisoning in all treated animals was evident by elevated serum GOT, GPT, ALP, GGT and bilirubin levels. Induction of oxidative stress in the liver tissue by CCl(4) was evidenced by a fall in the levels of NP-SH and TP; and an increased level of MDA concentration. EER administration for 10 days prevented the CCl(4) induced hepatic injury and oxidative stress. Furthermore, the extract also reduced the pentobarbital-induced prolongation of sleeping time in mice. The ability of rocket extract to protect the liver toxicity in rats was further confirmed by histological findings in the liver tissue. In conclusion, it was observed that Eruca sativa L. extract protects the liver against CCl(4) induced hepatic injury through its potent antioxidant activity in rats.
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