The saccharide was extracted with hot water, and purified with Fehling reagent and 95 % ethanol; the saccharide components of sophora alopecuroides gum was analysized by TLC and GC.

• 利用铜沉和醇沉法提取纯化多糖,以薄层色谱和气相色谱法进行定性和定量分析,建立苦豆子胶多糖组分分析方法。