Abstract Fucoxanthin, a natural xanthophyll carotenoid, is generally found in brown seaweeds, such as Sargassum duplicatum, Turbinaria turbinata, Padina australis, Undaria pinnatifida, and Laminaria japonica; microalga or diatom Phaeodactylum tricornutum, Isochrysis galbana Odontella sinensis. Fucoxanthin marine exhibiting several anticancer activities, activities against leukemia, prostate, ce...