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化学学报
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化学学报 ›› 1996, Vol. 54 ›› Issue (10): 1037-1040. 上一篇    

研究论文

鬼臼葡聚糖的化学结构

李志孝;刘方明;孟延发;陈耀祖   

  1. 兰州大学应用有机化学国家重点实验室;新疆大学化学系
  • 发布日期:1996-10-15

Chemical structure of a glucan from Podophyllum emodi Wall Var. chinense spraque

LI ZHIXIAO;LIU FANGMING;MENG YANFA;CHEN YAOZU   

  • Published:1996-10-15

PDF

544

被引次数

47 | 6

从植物鬼臼根的沸水提取液中分离出一个水溶性多糖EPS。它是由单一葡萄糖残基构成的葡萄糖, 分子量约为1.6×10^4。经酸全水解, 甲基化反应, 高碘酸氧化, Smith降解, KI-I~2反应, IR, ^1H NMR和^1^3C NMR分析, 证明其化学结构为1,4-葡萄糖残基为主链, 并在6-O位有侧链的葡聚糖。

关键词: 化学结构, 葡聚糖, 其它基金, 鬼臼, 鬼臼多糖

A water-soluble glucan, EPS, from the roots of Podophyllum emodi Wall var. chinense spraque was obtained homogeneous as determined by polyacrylamide gel electrophoresis and gel filtration. EPS was only composed of D-glucose, and its mean molecular weight was estimated to be 1.6×10^4. Methylation analysis, periodate oxidation, Smith degradation, KI-I~2 reaction, IR, ^1H NMR and ^1^3C NMR showed that it is α(1→4) linked α-D-glucan to which are attached glucosyl side chains at 6-O of the glucosyl residues of the main chain.

Key words: CHEMICAL STRUCTURE, GLUCAN

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