Preparation method of pregnane glycoside Paniculatoside C

The invention discloses a preparation method of pregnane glycoside C. The preparation method of pregnane glycoside C comprises the following steps: soaking crushed sedum sarmentosum with ethanol, extracting for a plurality of times to obtain an alcohol extract, adding water, suspending, extracting f...

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Hauptverfasser: LI DONGLI, GAN LISHE, WU RIHUI, HAMSON, SHAO XINYAN, XIE YINZHENG, JIN JINGWEI, ZHANG KUN
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The invention discloses a preparation method of pregnane glycoside C. The preparation method of pregnane glycoside C comprises the following steps: soaking crushed sedum sarmentosum with ethanol, extracting for a plurality of times to obtain an alcohol extract, adding water, suspending, extracting for a plurality of times by sequentially adopting petroleum ether, ethyl acetate and n-butyl alcohol, filtering, concentrating, and drying to obtain the pregnane glycoside C. The preparation method of pregnane glycoside C comprises the following steps of: soaking crushed sedum sarmentosum with ethanol, thereby obtaining the pregnane glycoside C. The preparation method of pregnane glycoside C comprises the following steps: extracting for a plurality of times by adopting ethanol, ethyl acetate and n-butyl alcohol; the preparation method comprises the following steps: respectively obtaining petroleum ether layer extract, ethyl acetate layer extract and n-butyl alcohol layer extract, merging the petroleum ether layer ex