Figure 1From: Chemical quantification and antioxidant assay of four active components in Ficus hirtaroot using UPLC-PAD-MS fingerprinting combined with cluster analysis Typical UPLC chromatogram of RFH sample at 270 nm with the chemical structures of the identified peaks (peak 1, luteolin; peak 2, apigenin; peak 3, psoralen; peak 4, bergapten). Back to article page