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Studies on structural features of two neutral heteropolysaccharides from Cuscuta chinensis
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- Author:
- No author available
- Journal Title:
- CHINESE TRADITIONAL AND HERBAL DRUGS
- Issue:
- 8
- DOI:
- 10.3321/j.issn:0253-2670.2001.08.002
- Key Word:
- 菟丝子;中性杂多糖;NMR光谱;甲基化分析
Abstract： 目的研究中药菟丝子Cuscuta chinensis Lam.种子中的多糖成分.方法采用DEAE-cellulose离子交换与凝胶层析方法进行分离纯化,通过理化常数,化学和光谱分析研究其化学结构特征.结果分别从稀碱提取物与沸水提取物中分得2个多糖,即H6与H8,其中H6的相对分子量为3.14×105 u,而H8的相对分子量大于1.0×105u,两者均为结构复杂的中性杂多糖,都是由阿拉伯糖,鼠李糖,木糖和半乳糖组成.结论它们均为首次从该植物中分得的多糖类的化合物.
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