Fig. 2From: Correlation between quality and geographical origins of Leonuri Herba revealed by the qualitative fingerprint profiling and quantitative determination of chemical componentsOverlay chromatograms of the 30 Leonuri Herba samples and the similarity of each chromatogram to their simulated mean chromatogram in blue. 1: salicylic acid; 2: leonurine; 3: rutin; 4: hyperoside; 5: quercetin; 6: Kaempferol; 7: apigenin; 8: 4',5-dihydroxy-7-methoxyflavoneBack to article page