Figure 1
From: Antioxidant activity relationship of phenolic compounds in Hypericum perforatumL.
LC-MS-MS chromatograms (base peak chromatograms, BPC) of H. perforatum extract fractions: 1. quercetin-3-O-β-D-galactopyranoside (hyperoside) and quercetin-3-O-rutinoside (rutin), 2. quercetin-3-O-α-L-rhamnopyranoside (quercitrin), 3. quercetin, 4. biapigenin, 5. amentoflavone, 6. protopseudohypericin, 7. pseudohypericin, 8. protohypericin, 9. hypericin, 10. hyperfirin, 11. adhyperfirin, 12. hyperforin, 13. adhyperforin