THE ANTIOXIDANT activity of hexane, ethanol or water extracts of chufa tubers (Cyperusesculentus L.) were investigated in vitro using liposome peroxidation systems. Incorporation of 1 mg/ml of chufa oil, water or ethanol extracts of the tubers to phosphatidylcholine (PtdCho) liposomes displayed different antioxidative activity. All fractions possessed antiperoxidation activity in ferrous ions dep...