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Chromatograms of Kaempferia parviflora extract (0.1 g/mL) and standard solutions (0.001 g/mL). (A) Extract of KP, (B) PMF, (C) DMF, and (D) TMF. Peaks: (1) PMF, (2) DMF, and (3) TMF. Abbreviations: KP, Kaempferia parviflora; DMF, 5,7-dimethoxyflavone; TMF, 5,7,4′-trimethoxyflavone; and PMF, 3,5,7,3′,4′-pentamethoxyflavone.
