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European Food Research and Technology

, Volume 226, Issue 5, pp 985–989 | Cite as

Characterization of water soluble polysaccharides from organs of Chinese Jujube (Ziziphus jujuba Mill. cv. Dongzao)

  • Zhihui Zhao
  • Mengjun LiuEmail author
  • Pengfei TuEmail author
Original Paper

Abstract

Water-soluble polysaccharides (WSPs) in Chinese jujube leaves, fruits and flowers were extracted with hot water from the alcohol insoluble residues (AIRs) and precipitated with ethanol allowed to concentrate the fraction as 7.8, 5.1, 18.3%. Pectic polysaccharides were the major components in all WSPs since all extractions were very rich in sugars such as uronic acid, arabinose and galactose. Polymers extracted with hot water from different organs were different in the degree of branching, degree of esterification. All WSPs revealed immunobiological activities especially in fruits and flowers.

Keywords

Ziziphus jujuba Mill. Organ Polysaccharide Immunological activity 

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Copyright information

© Springer-Verlag 2007

Authors and Affiliations

  1. 1.Research Center of Chinese JujubeCollege of Horticulture, Agricultural University of HebeiBaodingChina
  2. 2.Modern Reserch Center for Traditional Chinese MedicineSchool of Pharmaceutical Science, Peking University Health Science CenterBeijingChina

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