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Abstacts£º The natural plant polysaccharide structure£¬isolation method£¬structure analysis method and the biological activity function were mainly introduced£¬like the anti- tumor, the immunoregulation£¬antifatigue£¬hypoglycemic, the anti-virus, antioxidation and so on. Its prospects for development were also forecasted.

Keywords£º Polysaccharides structure Isolation method Structure analysis Biological Activities

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