“…In the case of Polygalaceae, Polygala tenuifolia , Polygala fallax , Polygala crotalarioides , and Securidaca inappendiculata all contain oleanolic acid. 31 Forsythia suspensa and Forsythia viridissima in Oleaceae contain betulinic acid, oleanolic acid and ursolic acid. 32 Ligustrum lucidum contains betulinic acid, oleanolic acid and betulin, 33 and the triterpenoids in Olea europaea are mainly pentacyclic triterpenoids, including betulinic acid, oleanolic acid and maslinic acid.…”