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Study on the Scavenging Activities of Extracts from Lygodium japonicum(Thunb)Sw.with Different Solvents to Free Radicals

BI Yong-guang et al(College of Pharmacy,Guangdong Pharmaceutical University,Guangzhou,Guangdong 510006)  
[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 with different solvents to free radicals were difference.The extracts from L.japonicum with 95% ethanol had the best scavenging effects on three kinds of free radicals.[Conclusion] L.japonicum can be used as antioxidants for the development and utilization of resources.
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