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- W2389342612 abstract "It is studied on the optimal technology of extracting total flavonoids from Persistent Calyx of Physalis alkekengiL.Var.Francheti(Mast.)Makino by alcohol extracting and ethanol by heated reflux and ultrasonic method.The result indicates that the ultrasonic extracting method is the best.The most optimal conditions are that the concentration of alcohol is 70%,the rate of rawmaterial to alcohol is 1∶30,the immersion time is 24 hr,then extracting for 45min by ultrasonic method.The extracting rate of total flavoniods can reach 1.702 mg·g-1.It is purified of the flavonoids by polymide column chromatography.The qualitative analysis of extracting sample is conducted by the specific reaction of total flavonoids with FeCl3,sulfuric acid and so on,It is confirmed that extraction material is flavonoids." @default.
- W2389342612 created "2016-06-24" @default.
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- W2389342612 date "2008-01-01" @default.
- W2389342612 modified "2023-09-25" @default.
- W2389342612 title "Study on Total Flavones from Persistent Calyx of Physalis alkekengiL.Var. Francheti(Mast.) Makino" @default.
- W2389342612 hasPublicationYear "2008" @default.
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