Herbs of different sources and some extraction methods were compared and optimized. Astragalus polysaccharide(APS) was extracted by MAE.

• 对不同产地来源的药材和几种不同的提取方法进行了对比研究，筛选出最优的原料药材和最佳的提取方法，其中黄芪多糖采用微波提取。