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A water-soluble polysaccharide named as HPS-1 was isolated from the roots of Hedysarum polybotrys Hand.-Mazz by hot water extraction, anion-exchange and gel-permeation chromatography and tested for its anti-tumor activity. Its structural characteristics were investigated by FTIR, HPLC, NMR spectroscopy, GLC–MS, methylation analysis, periodate oxidation and Smith degradation. Based on the data obtained,...
A water-soluble sulfated glucan, SHG, was isolated from Hedysarum polybotrys Hand.-Mazz using anion-exchange and gel-permeation chromatography. Elemental analysis indicated that SHG was a sulfated polysaccharide containing small amount of sulfate groups (1.47mass%). The molecular weight was estimated to be 1.72×10 5 Da by high-performance gel permeation chromatography (HPGPC) and size exclusion...
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