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Isolation and Structure Analysis of a Hetero-Polysaccharide from Angelica sinensis (Oliv)Diels.
Author(s): WANG Shun-chun, SHI Song-shan, CUI Jian, DING Li-li, WANG Zheng-tao, HU Zhi-bi
Pages: 1255-
1258
Year: 2007
Issue:
16
Journal: CHINESE PHARMACEUTICAL JOURNAL
Keyword: 当归; 杂多糖; 分离纯化; 结构鉴定;
Abstract: 目的 研究从当归[Angelica sinensis(Oliv)Diels]中分离纯化获得的均一多糖ASDII-3-3的结构.方法 采用糖组成分析、甲基化分析以及NMR确定该多糖的结构.结果 该均一多糖相对分子质量为44 000,主要由阿拉伯糖和半乳糖组成,此外尚含有少量的鼠李糖、甘露糖和木糖;其中阿拉伯糖的连接方式为端基和1,5连接;半乳糖的连接方式为1,4和1,4,6连接;鼠李糖为1,2连接,甘露糖为端基,木糖为1,4连接.结论 该均一多糖为首次从当归中分离获得的一种新的杂多糖.
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