And the HPLC-ELSD analytical method has been developed for the assay of the Astragaloside in the main active principle Radix Astragali. The average recovery is 95.33%, with RSD of 1.52%. The method validation has also been examined.

• 采用HPLC-ELSD法对君药黄芪中黄芪甲苷的含量进行了测定，平均回收率为95.；33%25，RSD为1