| 摘要 |
A method for producing dihydrocucurbitacin F-25-0-acetate consisting of the steps as followed: percolating radix hemsleyae using acetone as solvents to obtain extract; eluting the extract in silica gel column using chloroform: methanol as eluting agent (gradient) to obtain the crude; recrystallizating the crude using methanol or ethanol to obtain di-hydrocucurbitacin F-25-O-acetate (purity:>98%). And the use of dihydrocucurbitacin F-25-O-acetate in the manufacture of medicaments for treating cancers of liver, lung, stomach, larynx, prostate and leukemia.
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