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Chemistry of Natural Compounds

, Volume 43, Issue 4, pp 374–376 | Cite as

Characterization of a pectic polysaccharide from the fruit of Ziziphus jujuba

  • Zhihui Zhao
  • Hui Dai
  • Xiangmei Wu
  • Haitao Chang
  • Xiaoming Gao
  • Mengjun Liu
  • Pengfei Tu
Article

Abstract

A pectic polysaccharide was isolated from the fruits of Ziziphus jujuba Mill. cv. jinsixiaozao Hort. and its structure was characterized by acid hydrolysis, methylation, and NMR spectroscopies. The purified fraction Ju-B-7 had a molecular mass of over 2000 kDa. Chemical and spectroscopic analyses indicated that Ju-B-7 is composed mainly of α-1,4-linked D-galactopyranosyluronic acid and 1,2-linked L-rhamnose with a molar ratio of 8.1:1. It can significantly stimulate spleen cell proliferation in vitro (P<0.01, 10 µmg/mL).

Key words

Ziziphus jujuba Mill. cv. jinsixiaozao Hort fruit pectic polysaccharide immunological activity 

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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • Zhihui Zhao
    • 1
  • Hui Dai
    • 3
  • Xiangmei Wu
    • 2
  • Haitao Chang
    • 2
  • Xiaoming Gao
    • 3
  • Mengjun Liu
    • 1
  • Pengfei Tu
    • 2
  1. 1.Research Center of Chinese JujubeAgricultural University of HebeiBaoding, HebeiChina
  2. 2.Modern Research Center for Traditional Chinese Medicine, School of Pharmaceutical SciencesPeking University Health Science CenterBeijingChina
  3. 3.School of Basic Medicinal SciencesPeking University Health Science CenterBeijingChina

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