The aims of this study are to determine the antioxidant activity of purple sweet potato leaves in inhibiting lipid peroxidation of blood and pancreas in rats. The solvent used is n-hexane, which is non polar solvent. The test of antioxidant activity using TBARS method by measuring the levels of malondialdehyde (MDA) plasma and pancreas induced by alloxan 150 mg/kg BW. The test animals were grou…