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- W2387125902 abstract "With the Ephedra sinica as the research object,response surface design was employed to set up the extraction process of ephedrine pattern using four factors the ethanol concentration,liquid-solid ratio,reflux time and ultrasonic time; and selected for optimizing the extraction process of ephedrine from E.sinica to test by HPLC detection.The experimental results showed that the best conditions of extracting ephedrine from E.sinica were ethanol concentration 40% vol,liquid-solid ratio15ml/g,reflux time 2.3h and ultrasonic time10.5min; under these processing conditions,the ephedrine content in E.sinica was 11.338%." @default.
- W2387125902 created "2016-06-24" @default.
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- W2387125902 date "2013-01-01" @default.
- W2387125902 modified "2023-09-23" @default.
- W2387125902 title "Optimum conditions of extracting ephedrine from Ephedra sinica by response surface methodology based on the HPLC determination" @default.
- W2387125902 hasPublicationYear "2013" @default.
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