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In the present study, the extraction, purification and characterization of polysaccharides from Hawk mature leaf tea (HMP) were investigated. The optimal extraction parameters were obtained by using a Box–Behnken design as follows: extraction temperature 88.9°C, extraction time 128.2min and ratio of water to solid 11.4mL/g. The crude HMP was sequentially purified by chromatography of DEAE-52, and...
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