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Extraction of Total Flavonoids from FLOS LONICERAE JAPONICAE and Its Oxidation Resistance

Yang Xin-jian

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Abstract

[Objective] To research on the oxidation resistance of total flavonoids from FLOS LONICERAE JAPONICAE.[Method] Total flavonoids were extracted from FLOS LONICERAE JAPONICAE by ethanol extraction.The oxidation resistance of total flavonoids was detected by Oven Method;the scavenging effect on hydroxy was detected by H2O2/Fe2+ system method;the scavenging effect on superoxide anion was detected by pyrogallol autoxidation method.[Result] Extracts from FLOS LONICERAE JAPONICAE showed significant inhibitory effects on the oxidation of lard oil;the scavenging rates on hydroxyl and free radical reached 52.59% and 17.12%,respectively.[Conclusion] total flavonoids had significant antioxidant ability,hydroxyl radical scavenging activity and superoxide anion scavenging activity.

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[Objective] To research on the oxidation resistance of total flavonoids from FLOS LONICERAE JAPONICAE.[Method] Total flavonoids were extracted from FLOS LONICERAE JAPONICAE by ethanol extraction.The oxidation resistance of total flavonoids was detected by Oven Method;the scavenging effect on hydroxy was detected by H2O2/Fe2+ system method;the scavenging effect on superoxide anion was detected by pyrogallol autoxidation method.[Result] Extracts from FLOS LONICERAE JAPONICAE showed significant inhibitory effects on the oxidation of lard oil;the scavenging rates on hydroxyl and free radical reached 52.59% and 17.12%,respectively.[Conclusion] total flavonoids had significant antioxidant ability,hydroxyl radical scavenging activity and superoxide anion scavenging activity.

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Available abstract

[Objective] To research on the oxidation resistance of total flavonoids from FLOS LONICERAE JAPONICAE.[Method] Total flavonoids were extracted from FLOS LONICERAE JAPONICAE by ethanol extraction.The oxidation resistance of total flavonoids was detected by Oven Method;the scavenging effect on hydroxy was detected by H2O2/Fe2+ system method;the scavenging effect on superoxide anion was detected by pyrogallol autoxidation method.[Result] Extracts from FLOS LONICERAE JAPONICAE showed significant inhibitory effects on the oxidation of lard oil;the scavenging rates on hydroxyl and free radical reached 52.59% and 17.12%,respectively.[Conclusion] total flavonoids had significant antioxidant ability,hydroxyl radical scavenging activity and superoxide anion scavenging activity.

Key concepts: Flos, Chemistry, Pyrogallol, Autoxidation, Superoxide, Antioxidant, Scavenging, Hydroxyl radical

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Extraction of Total Flavonoids from FLOS LONICERAE JAPONICAE and Its Oxidation Resistance — Research Paper | ScholarLens