The in cellular and in vivo melanogenesis inhibitory activity of safflospermidines from Helianthus annuus L. bee pollen in B16F10 murine melanoma cells and zebrafish embryos - Phanthiwa Khongkarat; Wannakarn Kitipaspallop; Songchan Puthong; Wittaya Pimtong; Preecha Phuwapraisirisan; Chanpen Chanchao (PLoS ONE, 2025)