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In this study, we investigated the purification, preliminary characterization and immunostimulatory activity in vivo of polysaccharide from Cipangopaludina chinensis (CCPS). Firstly, crude CCPS was prepared by hot water extraction. And the crude CCPS was sequentially purified by chromatography of DEAE-52 and Sephadex G-100, resulting in two purified fractions of CCPS-1 and CCPS-2. We found the two...
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