... acid , Ursolic acid , Oleanolic acid , Arctigenin , Arctiin , Matairesinol , Matairensinoside , Phillygenol , P hillyrin , Forsythol , Volatile Oil , grenn forsythia conclude 4.89% Saponin ... , 0.2% Alkaloids . [P harmacological Action ]: 1. To resist bacteria . 2. To relief hot . 3. To resist emetic caused by rejecting ...