Abstract:ObjectiveTo determine the content of ursolic acid in Prunella vulgaris L.MethodsTLC-Scanning method.ResultsUrsolic acid had a good linear relationship with peak area score when its sample size was within the range of 0.314~1.570 μg (r=0.999 2), the average recovery was 99.3%.ConclusionThis method can be served as a quality control method for Prunella vulgaris L.