... %, 90%, 95%, 98% Testing ways: HPLC SourceUrsolic acid, also known as urson, prunol and malol is a pentacyclic triterpenoid ... RU90, RU95,98%DiscriptionLight white and white powderQuality and Specification15%, 25%, 50%, 80%, 90%, 95%, 98%Testing ways: HPLCFunctiona.Antimicrobial activity. ... which can be used to improve the health of skin and hair.c. Anti-inflammatory activity. It has been recommended ...