[Objective] The research aimed to compare the scavenging abilities of total flavone from Lygodium japonicum with different solvents to free radical activity.[Method] DPPH method,pyrogallol method and Fenton reaction were used to study the scavenging ability of extracts with 95% ethanol,ethyl acetate,acetone,acetic acid,chloroform,methanol to free radical activity.[Result] Six kinds of solvent extracts from L.japonicum had certain scavenging ability to DPPH·,OH · and O2-·.The scavenging ability of extracted ...