Characterization and immunostimulatory activity of an (1-->6)-a-D-glucan from the root of Ipomoea batatas.

@article{Zhao2005CharacterizationAI,
  title={Characterization and immunostimulatory activity of an (1-->6)-a-D-glucan from the root of Ipomoea batatas.},
  author={Guohua Zhao and Jianquan Kan and Zhixiao Li and Zongdao Chen},
  journal={International immunopharmacology},
  year={2005},
  volume={5 9},
  pages={1436-45}
}
The polysaccharide PSPP (purified sweet potato polysaccharide), isolated and purified from the roots of Ipomoea batatas, was found to be a glucan with a molecular weight of 53.2 kDa and specific rotation of +115.0 degrees (ca. 0.80, H(2)O). On the basis of methylation analysis, periodate oxidation, Smith degradation, infra-red spectroscopy, and (13)C NMR, the polysaccharide was confirmed as a (1-->6)-alpha-D-glucan. We evaluated the effects of polysaccharide PSPP on the in vivo immune function… CONTINUE READING

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