6 洋地黄

【6 洋地黄】

6 洋地黄

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【化学成份】
1.毛地黄叶 分得强心甙20余种 , 是由三种不同的强心甙元与不同的糖缩合而成的 。其中,由洋地黄毒甙元(digitoxigenin) 衍生的甙有:紫花强心甙(purpurea glycoside)A,洋地黄毒甙(digitoxin),洋地黄毒甙元单地黄毒糖甙(di-gitoxigenin-monnodigitoxoside),洋地黄毒甙元双洋地黄毒糖甙(digitoxigenin-bisdigitoxoside),夹竹桃甙(odoroside)H,洋地黄普甙(digiproside) , 洋地黄毒甙元-6-去氧葡萄糖甙(digitoxigenin-6-dioxyglucoside)等;由不得羟基洋地黄毒甙元(gitoxigenin)衍生的甙有;紫花强心甙(purpurea glycoside)B,羟基洋地黄毒甙(gito-xin),羟基洋地黄毒甙黄毒甙元双洋地黄毒糖甙(gitoxigenin-bisdigitox-oside),即是芰脱林(gitorin);芰脱甙(gitoroside,gitoside),直地吉他林(igitalinum verum),美丽毒毛花甙(strospeside)等;由吉他洛甙元(gitaloxigenin)衍生的甙有:吉他洛甙(gitaloxin),葡萄糖吉他洛甙(glucogitaloxin),吉他洛甙元单洋地黄毒糖甙(gitaloxi-genin monodigitoxoside)即是毛花洋地毒甙(lanadoxin),喜他洛甙元双洋地黄毒糖甙(gitaloxigenin bisdigitoxoside) , 渥洛多式verodoxin),葡萄糖渥洛多甙(glucoverodoxin)等 。是述强心甙大多数量次级甙,属于原生甙的有:紫花强心甙A和B,真地吉他林和葡萄吉他洛甙等[1] 。还含甾体皂甙:洋地黄螺甾甙(digitonin) , 芰脱皂甙(gitonin),替靠皂甙(tigonin)[2],洋地黄孕烯三酮甙(digipronin),紫花洋地黄孕烯酮三醇(digipurpurin),紫花洋地黄孕烯酮甙(prupnin),紫花洋地黄孕烯二酮甙(purpro-nin),洋地黄酰甙(digacetinin),洋地黄孕烯环氧二酮甙(digi-nin),洋地黄富林甙(digifolein),洋地黄他洛甙(digitalonin)[3]等;酚性甙:去鼠李糖洋丁香酚甙(desrhamnosyl acteoside),连翘脂甙A(forsythiaside,forsythoside A),紫花洋地黄叶甙(purpurea-side)A和B , 3,4-二羟基苯乙醇-6-O-咖啡-β-D-葡萄糖甙(3,4-dihydroxyphenethylalcohol-6-O-caffeoyl-β-D-glucoside)[4];蒽酯类:洋地黄蒽醌(digitolulein) , ζ-羟基洋地黄蒽酯(ζ-hydroxydigito-lulein),紫花洋地黄蒽醌(digitopurpone) , 熏点霉蒽醌(phoma-rin),熏点霉蒽醌-6-甲醚(6-O-methyl phomarin),异大黄酚(isochrysophanol)[5];;黄酮类:洋雪黄黄酮(digicirrin),木犀草素(luteolin)[6],芹菜素(apigenin),洋毛地黄次黄酮(dinatin) , 金圣草素(chrysoeriol),尼泊尔黄酮素(nepetin)[7]等;内酯类;洋地黄内酯(digiprolactone)即泊尔黄酮素(nepetin)[7]等;内酯类:洋地黄内酯(digiprolactone)即是黑麦草内酯(olliolide)[8,9] 。

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