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半干块茎含蔗糖、还原糖、淀粉、藻甙、鞣质.尚含黄独素B,C(Diosbulbins B,C)与薯蓣皂甙元(Diosgenin).野生的含黄独素 A、B、C.

含黄药子素(diosbulbin)A-H,8-表黄药子素E乙酸酯(8-epidiosbulbin E acetate)。薯蓣皂甙元(diosgenin),D-山梨糖醇(D-sorbitol),2,4,6,7-四羟基-9-10-二氢菲(2,4,6,7-tetrahydroxy-9,10-dihydro phenanthrene),2,4,5,6-四羟基菲(2,4,5,6-tetrahydroxyphenantyhrene),4-羟基-(2-反-3',7'-dimethylocta-2',6'-辛二烯基)-6-甲氧基苯乙酮[4-hydroxy(2-trans-3',7'-dimethylocta-2',6'-dienyl)-6-methoxyacetophenone],4,6-二羟基-2-O-(4'-羟丁基)苯乙酮[4,6-dihydroxy-2-O-(4'-hydroxybutyl)acetophenone],二氢薯蓣碱(dihydrodioscorine),蔗糖,还原糖,淀粉,皂甙,鞣质等。

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