fucoxanthin the existence of algae, marine phytoplankton, the shellfish aquatic animals. nature : brown powder. soluble in ethanol. purposes : food coloring agents, cancer, obesity and other health foods. physical and chemical products meet export targets were japan, the united states, the eu and other national standards. the product enterprise standards symbol : q/kle03-2005. product packaging specifications : 25kg / barrel, double-lined aseptic bags, aluminum platinum bag packaging :0.5 - 5kg / bag lining sterile vacuum-packed bags.