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. 2020 Jul 1;24(4):329–338. doi: 10.4196/kjpp.2020.24.4.329

Fig. 2. High-performance liquid chromatography analysis of flavonoids in the ethanolic (30%) extract of Spirodela polyrhiza (SPEtOH).

Fig. 2

(A) Five flavonoid compounds were found in SPEtOH and (B) identified as orientin (1), vitexin (2), luteolin 7-glucoside (3), apigenin 7-glucoside (4), luteolin (5), and apigenin (6). (C) The chemical structures of the identified compounds.