高等学校化学学报 ›› 2009, Vol. 30 ›› Issue (11): 2189.

• 研究论文 • 上一篇    下一篇

裙带菜中聚甘露糖醛酸的分离纯化与结构分析

王彩1, 施松善1, 洪其明2, 王顺春1, 王峥涛1, 胡之璧1   

  1. 1. 上海中医药大学中药研究所, 教育部中药标准化研究重点实验室,
    2. 中药学院, 上海 201210
  • 收稿日期:2009-03-19 出版日期:2009-11-10 发布日期:2009-11-10
  • 通讯作者: 王顺春, 男, 博士, 研究员, 博士生导师, 主要从事糖化学和糖生物学研究. E-mail: shunchunwang@126.com
  • 基金资助:

    国家“八六三”计划(批准号: 2006AA090405)和上海市曙光计划项目(批准号: 08SG44)资助.

Isolation, Purification and Structural Analysis of Polymannuronic Acid from Undaria pinnatifida

WANG Cai1, SHI Song-Shan1, HONG Qi-Ming2, WANG Shun-Chun1*, WANG Zheng-Tao1, HU Zhi-Bi1   

  1. 1. Key Laboratory of Standardization of Chinese Medicines, Ministry of Education, Institute of Chinese Materia Medica,
    2. College of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201210, China
  • Received:2009-03-19 Online:2009-11-10 Published:2009-11-10
  • Contact: WANG Shun-Chun. E-mail: shunchunwang@126.com
  • Supported by:

    国家“八六三”计划(批准号: 2006AA090405)和上海市曙光计划项目(批准号: 08SG44)资助.

摘要:

以裙带菜(Undaria pinnatifida, wakame)为原料, 经水提醇沉、DEAE-Sepharose Fast Flow、Sephacryl S-300和Sephacryl S-200凝胶柱分离纯化, 得到2个酸性多糖UPPS03和UPPS04. 高效凝胶渗透色谱测试结果表明, 其为均一多糖, 平均分子量分别为3.6×104和1.1×104. 采用糖组成分析、高碘酸氧化及Smith降解、糖醛酸还原、甲基化、红外光谱和核磁共振等方法对该多糖的化学结构进行了表征. 结果表明, 2个多糖均为1,4连接的聚甘露糖醛酸.

关键词: 裙带菜; 聚甘露糖醛酸; 分离纯化; 结构分析

Abstract:

UPPS03 and UPPS04 were obtained from Undaria pinnatifida by water extraction, DEAE-Sepharose Fast Flow, Sephacryl S-300 and Sephacryl S-200 gel permeation chromatography. HPGPC shows that both of them are homogeneous polysaccharides with an average molecular weigh of 3.6×104 and 1.1×104, respectively. The structural features of UPPS03 and UPPS04 were characterized with sugar composition analysis, periodic acid oxidation and Smith degradation, reduction of uronic acid, methylation analysis, IR and NMR. The results indicate that they are all linear polysaccharide with β-1,4-linked polymannuronic acid, and this is the first report of polymannuronic acid isolated from Undaria pinnatifida.

Key words: Undaria pinnatifida; Polymannuronic acid; Isolation and purification; Structural analysis

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