Novel Celosia argentea saponins compounds and application thereof
A kind of technology of ginseng saponins and compounds, which is applied in the field of medicine, and achieves the effects of remarkable activity, simple preparation method and low cost
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[0013] Embodiment 1. Preparation of cyanoside C and cyanoside D
[0014] With 50kg of Fructus L. japonica in Bozhou, Anhui, pulverized and extracted by percolation with 50% ethanol as usual, the extract was concentrated under reduced pressure to obtain a concentrated solution, and the concentrated solution was passed through a D101 macroporous resin column, followed by water, 30% ethanol, 60% ethanol and 95% ethanol gradient elution, 60% ethanol eluate was collected and concentrated under reduced pressure, dried, it was subjected to silica gel column chromatography three times, dichloromethane-methanol-water (9:1:0.1~7:3: 0.3) Solvent system elution, and then reverse phase column ODS-C 18 Purified with Sephadex LH-20 to obtain 25 mg of cyanoside C and 43 mg of cyanoside D, respectively.
[0015] Structure Identification
[0016] 1. Qingruoside C
[0017] White powder, m.p.: 245~247℃, ESI-MS: m / z 797.67[M] - , the molecular weight of the compound was determined to be 798. ...
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