Figure 2.
HPLC chromatogram of the flavonoid standards. Peaks 1: esculetin; 2: isoquercetin; 3: myricetin; 4: fisetin; 5: quercetin n-hydrate; 6: quercetin; 7: luteolin; 8: kaempferol; 9: isohamnetin; 10: apigenin; 11: rhamnetin; 12: galangin.
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