DPPH Scavenging Activity of Scurrula parasitica of Yi-Nationality Medicines

Methanol extract and CH_2Cl_2,BuOH and H_2O fractions of Scurrula parasitica of Yi-Nationality Medicines showed potential antioxidant activities against DPPH radical.They were investigated the antioxidant activities using the bioassay-linked fractionation method.CH_2Cl_2 and H_2O fraction from S.parasitica appeared potent antioxidant effects against the DPPH radical,showing the IC_(50) values of 198.52 μg/mL.Especially CH_2Cl_2 fraction showed the strongest antioxidant activity.