the present study appraised the hepatoprotective activity of aqueous extract of camellia sinensis leaves and its possible mechanism of action against carbon-tetrachloride-induced liver damage. liver damage was induced by intraperitoneal administration of equal mixture of carbon tetrachloride and olive oil (50 % v/v, 0.5 ml/kg ) in male wistar rats (150-220g) once daily for 7 days and the ex...