Application of Hydrophilic Interaction Liquid Chromatography for the Quantification of Flavonoids in Genista tinctoria Extract

Figure 5

ESI-MS spectra of selected compounds in the Genista tinctoria extract. Column: ZIC-HILIC (100 × 2.1 mm, 3.5 µm). Elution gradient: 0–4 min 98% ACN, 6-7 min 90%, 8–8.4 min 80%, 8.4–12 min 50%, and 13–20 min 98%.