... and white powder Quality and Specification 15%, 25%, 50%, 80%, 90%, 95%, 98% Testing ways: HPLC SourceUrsolic acid, also known as urson ... %DiscriptionLight white and white powderQuality and Specification15%, 25%, 50%, 80%, 90%, 95%, 98%Testing ways: HPLCFunctiona.Antimicrobial activity. Not only inhibits G ...