分析了产胞外多糖乳酸菌的种类，同型胞外多糖和异型胞外多糖的生物合成途径与遗传调控，以及影响发酵生产的因素。总结了乳酸菌胞外多糖的分离、纯化、纯度鉴定的方法及乳酸菌胞外多糖的重要结构单元与功能之间的相互关系。揭示出乳酸菌胞外多糖在食品、医药领域巨大的潜在应用价值。This paper is aimed to provide an overview of the biosynthesis, extraction and purification, composition, physical and chemical properties, foreground and its application of exopolysaccharide produced by lactic acid bacterium.
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