| 徐长卿多糖的分离纯化与化学结构研究Ⅰ |
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| 引用本文： | 王顺春,方积年.徐长卿多糖的分离纯化与化学结构研究Ⅰ[J].中国药学杂志,1999,34(10):656-658. |
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| 作者姓名： | 王顺春 方积年 |
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| 作者单位： | 中科院上海药物研究所 |
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| 摘 要： | 目的:研究中药徐长卿中一种葡聚糖的化学结构。方法:采用柱层析进行分离纯化,并用甲基化分析和13C-NMR等方法阐明多糖CPB-2IG的化学结构。结果:该多糖分子量为17×104,由单一葡萄糖组成,比旋度为+1592°,构型为α型,单糖的连接方式为1,6连接。结论:CPB-2IG的化学结构为直链α-D--(1→6)葡聚糖。
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| 关 键 词： | 徐长卿 多糖 化学结构 |
| 收稿时间： | 1998-05-29; |
Studies on separation ,purfication and chemical structure of a polysaccharide in Cynanchum paniculatum |
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| WangShunchun.Studies on separation ,purfication and chemical structure of a polysaccharide in Cynanchum paniculatum[J].Chinese Pharmaceutical Journal,1999,34(10):656-658. |
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| Authors: | WangShunchun |
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| Institution: | (Wang sc),Fang Jinian (Fang JN |
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| Abstract: | OBJECTIVE :To study th echemical structure of a polysaccharide in Cynanchum paniculatum(Bunge) Kitagawa.METODHS :Separation and purification were done by DEAE-Sepharose FF and Sephadex G-200 column chromatographic fractionations;methylation analysis and 13C-NMR were used to determine the chemical structure.RESULTS :The molecular weight was estimated to be 1.7×104 and its specific ratation α]D =+159.2°,its configuration is α The model of linkage is 1,6 linking.CONCLUSION :This polysaccharide is a linear glucan with 1,6 linkages. |
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| Keywords: | Cynanchumpaniculatum (Bunge)Kitagawa polysaccharide Chemicalstructure |
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