蒲公英化学成分

诸平

蒲公英全草含蒲公英甾醇、胆碱、菊糖、果胶等。

根中含蒲公英醇、蒲公英赛醇、ψ-蒲公英甾醇、蒲公英甾醇、β-香树脂醇、豆甾醇、β-谷甾醇、胆碱、有机酸、果糖、蔗糖、葡萄糖、葡萄糖甙以及树脂、橡胶等。叶含叶黄素、蝴蝶梅黄素、叶绿醌、维生素C（50～70毫克/100克）和维生素D（5～9毫克/100克）。

花中含山金车二醇、叶黄素和毛莨黄素。花粉中含β-谷甾醇、5z-豆甾-7-烯-3β-醇、叶酸和维生素C。绿色花萼中含叶绿醌。花茎中含β-谷甾醇和β-香树脂醇。又该品含考迈斯托醇、核黄素1.43微克/克和胡萝卜素7.7～8.8毫克%。 [4] 

Major chemical constituents

The characteristic constituents are sesquiterpenes, including the bitter eudesmanolides tetrahydroridentin B and taraxacolide β-d-glucopyranoside; and the germacranolides, taraxinic acid β-d-glucopyranoside and

11,13-dihydrotaraxic acid β-d-glucopyranoside. Also present are the phydroxyphenylacetic acid derivative, taraxacoside; the triterpenes, taraxasterol, ψ-taraxasterol and taraxerol; and inulin (2–40%) (4, 10, 11). Representative structures are presented below.