论文部分内容阅读
对衡生颗粒中黄芪的活性成分黄芪甲甙先采用超声提取,再用水饱和正丁醇萃取,O.1mon/LNaOH溶液洗涤,再过大孔树脂柱以λ_S=520nm,λ_R=680nm进行测定,回收率平均值为97.08%,RSD为2.48%(n=5)。
The active ingredient of Astragalus membranaceus in Hengsheng Granules was first extracted by ultrasonic, then extracted with water-saturated n-butanol, washed with O.1mon/LNaOH solution, and measured with λ_S=520nm and λ_R=680nm. The average recovery rate was 97.08% and the RSD was 2.48% (n=5).