The in vitro antioxidant and in vivo hepatoprotective effects of aqueous extract of Allium cepa (A. cepa) bulb were evaluated in male rats against ethanol induced liver damage in preventive and curative models. The antioxidant activity of A. cepa was assayed and activities were compared to standard antioxidant, ascorbic acid. The results revealed that the IC50 values of A. cepa bulb extract for…