黄芪葡聚多糖的化学结构 |
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引用本文: | 方积年,WAGNER,H.黄芪葡聚多糖的化学结构[J].化学学报,1988,46(11):1101-1104. |
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作者姓名: | 方积年 WAGNER H |
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作者单位: | 中国科学院上海药物研究所,慕尼黑大学药物生物研究所 上海,西德 |
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摘 要: | 从植物黄芪(Astragalus mongholicus Bunges)根的碱性水提取液中得到一水溶性多糖黄芪葡聚糖. 它由单一葡萄糖残基构成, 分子量为5x10^4. 甲基化、过碘酸盐氧化、Smith降解和部分水解后, 揭示了它是以1,4-葡萄糖残基为主链, 并在6-O有分枝、重复单元为10个葡萄糖残基的葡聚糖(结构如3所示).
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关 键 词: | 黄芪 分子结构 葡萄糖 多糖 |
Chemical structure of a glucan from astragalus mongholicus |
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Abstract: | A water-sol. glucan was isolated from the alkaline aqueous extract of A. mongholicus roots. Its mean mol. wt. was estimated to be 5 ?104. Methylation anal., periodate oxidation, Smith degradation and partial hydrolysis showed that it is a (1?) linked a-D-glucan with glucosyl side chains attached to the 6-O of the glucosyl residues of the main chain. |
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Keywords: | ASTRAGALUS MOLECULAR STRUCTURE GLUCOSE POLYSACCHARIDE |
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