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1)  isofiavorhamnoside
异黄酮鼠李苷
2)  brassicin ['bræsisin]
异鼠李黄酮葡糖苷
3)  spinorhamnoside
角型呋喃黄酮鼠李糖苷
4)  5,7-Dihydroxy-3-((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyl-tetrahydro-pyran-2-yloxy)-2-(3,4,5-trihydroxy-phenyl)-1-benzopyran-4-one
五羟基黄酮-3-鼠李糖苷
5)  gnaphaliin
鼠李草黄酮
6)  isoflavone glycoside
异黄酮苷
1.
Results One isoflavone glycoside and three isoflavones were purified anddetermined as 8-methylretusin-7-O-β-D-glucopyranoside (Ⅳ), retusin 8-methyl ether ( Ⅱ ), 4 , 7, 8-trimethoxyisoflavone ( Ⅲ ), and afrormosin ( Ⅵ ).
结果纯化出一个异黄酮苷和 3个异黄酮成分 ,分别是 8- methylrelusin- 7- O- β- D- glucopyranoside( )、retusin 8-methylether( )、4 ',7,8- trim et Iloxyisoflavone( )和 afrorm osin( )。
2.
One new flavone and one new isoflavone glycoside were isolated along with twenty-six known related compounds from the rhizome of Belamcanda chinensis (Iridaceae) , and their structures were characterized as 5,4′-dihydroxy-6,7-methylenedioxy-3′-methoxyflavone, and 3′,5′-dimethoxy irisolone-4′-O-β-D-glucoside on the basis of spectroscopic methods and chemical evidence.
从射干(鸢尾科)中分离得到一个新黄酮和一个新异黄酮苷以及26个已知化合物。
补充资料:异黄酮鼠李苷
分子式:
CAS号:

性质:黄暗色链霉菌Strep-tomyes xanthophaeus产生的多组分混合物,属异黄酮类化合物,在酸性、中性条件下都是半乳糖苷酶的特异性抑制剂。各组分抑制能力各异,ID50:组分II10μml,组分III-2为3.6μg?ml,组分III-3为1.2μg/ml,都是竞争性抑制剂。组分III-2的熔点为140℃,旋光度-164°(c=1.0,甲醇),紫外吸收光谱231,262nm(pH 7.0,甲醇)。2,4-二硝基苯肼反应阳性,茚三酮、埃利氏、坂口反应阴性。组分II、III-2和IV-2能抑制从牛、猪器官和大鼠肾脏制备的β-半乳糖苷酶和β-岩藻糖苷酶。

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