对多糖的提取、分离纯化、性质测定及其生物活性等进行了综述。多糖具有降血糖、降血脂、抗氧化、防衰老、免疫调节、抗肿瘤、抗病毒、抗炎等生物活性，多糖类保健品开发将大有所为。

The extraction, separation and purification, Characterization and the bioactivity of polysaccharide were reviewed in this paper. As polysaccharides possess lots of bioactivities, such as hypoglycemic activity, antilipemic function, antioxidation, anti-ageing efficiency, immune regulation, untitumor, and so on, development of functional foods containing polysaccharides has a promising prospect.

广州市科技攻关项目资助（2004Z1－E0061)