Abstract
In this study, Huperzia serrata polysaccharide (HSP) fraction was isolated using response surface methodology (RSM) and Box-Behnken design (BBD). The extraction time, temperature and ratio of water to raw material were employed effects. And properties of four polysaccharide (60%-HSP, 70%-HSP, 80%-HSP and 90%-HSP) were evaluated. The results indicated that the optimal extraction conditions were the following: 3.07 h, 49.46 °C and a liquid material ratio of 20.73:1. The four HSP presented irregular aggregation of shape. And all HSP exhibited antioxidant and anticancer activities.
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