| 摘要 |
A method for obtaining a sequoyitol-containing extract from a plant of genus Nephrolepis, comprising extracting with a solvent, recovering the solvent to give an extractum, subjecting the extractum to two-phase extraction and column chromatography, collecting the fractions containing sequoyitol, concentrating, filtration and drying. The main active ingredient of the extract obtained is sequoyitol, which can be used for treating diabetes and its complications.
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