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化学成份

粉背薯蓣的根茎得到9个甾类成分:薯蓣皂甙元(diosgenin),雅姆皂甙元(yamogenin),△3.5-去氧替告皂甙元(△3.5-deoxytigogenin),△3.5-去氧新替告皂甙元(△3.5deoxyneotigogenin),薯蓣皂甙元棕榈酸酯(diosgeninpalmitate),β-谷甾醇(β-sitosterol)和另1对差向异构体:薯蓣皂甙元乙酸酯(diosgeninacetate)与雅姆皂甙元乙酸酯(yamogeninacetate);还得到2个甾甙:粉背薯蓣皂甙A(hypoglaucineA),原粉背薯蓣皂甙A(protohypoglaucineA)。根茎含粉背薯蓣皂甙(hypoglaucine)A,原粉背薯蓣皂甙(protohypoglaucine)A,纤细薯蓣皂甙(gracillin),原纤细薯蓣皂甙(progracillin)。[30]

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