桑叶多糖是桑叶的一种主要活性成分之一，具有多种药理作用和生物活性功能，是目前的一个研究热点。本文对国内外近年来关于桑叶多糖的提取、分离纯化、化学结构及生物活性等多方面进行了综述，为桑叶资源的深入开发起一定借鉴作用。

The polysaccharides in leaves of Morus alba L., a kind of the main functional components of the Morus alba L. leaves, possesses various pharmacological and physiological activities and studies on this polysaccharides has become to a research hotspot in recent years. The research progress of extraction, isolation and purification, chemical constitution and bioactivities of the polysaccharides in mulberry leaves were reviewed in this paper, which is helpful to the further research and development of Morus alba L.

“十一五”国家科技重点项目(2006BAD27B03)；湖州市科技计划项目(2005YG09)