The average recovery rates (n=9) of oleanolic acid and ursolic acid were 98. % (RSD=. %) and 98.0% (RSD=.%),respectively.
The average recovery rates (n=9) of oleanolic acid and ursolic acid were 98. % (RSD=. %) and 98.0% (RSD=.%),respectively.
平均回收率 (n =9)分别为 98 % (RSD = % )和 98 0 % (RSD = % )。