Method: 50 female Wistar rats were randomly divided into 5 groups: normal group,model group,n-butanol part group,water part group and polysaccharides part group with 10 rats in each group.

• 方法:雌性大鼠切除卵巢,术后1周开始给药,每周测量一次体重,给药14周剥离子宫称重,计算子宫系数;