AIM To investigate the structures and immunomodulation activity of four homogeneous polysaccharides: LBP 1a 1, LBP 1a 2, LBP 3a 1 and LBP 3a 2 isolated from Lycium barbarum L. brought from Zhongning County, Ningxia Province.

• 目的 对 4个均一枸杞多糖 :LBP 1a 1,LBP 1a 2 ,LBP 3a 1和LBP 3a 2进行结构研究和药理评价。