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yanghong206(金币+25, 翻译EPI+1): 2011-02-17 23:01:51
The ethanol precipitation method was adopted to extract exopolysaccharide from marine microbial fermentation. Then,  the extract was isolated against 732 cation exchange resin into three major polysaccharide components: alkaline polysaccharide, weak acidic polysaccharides and acidic polysaccharides. And the polysaccharides were assessed for antioxidant activity against reducing power activity, DPPH radical scavenging activity and hydroxyl radical scavenging activity assays.
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