生物活性多糖是一类高分子碳水化合物聚合体,具有提高机体免疫力、抗氧化、抗疲劳、抗肿瘤、抗突变、抗辐射、抗凝血、抗菌消炎、降血脂、降血糖和防治心脑血管疾病等一系列特殊保健功能。本文简述了生物活性多糖的分类、多种特殊功能及其在食品中的应用等。 Bioactive polysaccharides are a class of polymer carbohydrate polymers, with the body immunity, anti-oxidation, anti-fatigue, anti-tumor, anti-mutation, anti-radiation, anticoagulant, antibacterial anti-inflammatory, hypolipidemic, Vascular disease and a series of special health care functions. This article describes the classification of bioactive polysaccharides, a variety of special functions and their application in food.