Abstract
Coreopsis lanceolata is a perennial plant belonging to the Asteraceae family. In this study, flavonoid profile and antileukemic potential of yellow flowers of the plant were investigated. The total flavonoid content in EtOAc fraction of the flower methanol extract was found to be 420mg/g and showed the inhibition of cell proliferation and possible induction of apoptosis in human leukemia HL-60 cells. Our phytochemical research led to the isolation of rare flavonoids including a flavanone, chalcones, and aurones; in particular, 4-methoxylanceoletin demonstrated the potent antiproliferative activity. Comparison with other Asteraceaeous flowers by UPLC–MS analysis indicated that the isolates are characteristic constituents of C. lanceolata.
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