Ursolic acid is a phytochemincal in the subclass of Triterpenoid, belonging to the group of Terpenes found abundantly in apples, basil, bilberries, cranberries, peppermint, lavender, oregano, hawthorn, prunes., etc. Health Benefits 1. Multi-drug resistance cancers In the study of the proliferation-inhibiting and apoptosis-inducing effects of ursolic acid (UA) and oleanolic acid (OA) on multi-drug resistance …