Lutein, as part of Xanthophyll, is the main element is the Atomic C ,H and O by atomic oxygen might be in hydroxyl. There is a molecular structure is C40H56O2, that was dark yellow or brownish yellow. solubility Insoluble and disslove polar solvents like ethylalcohol acetone ethylether but could be solute in lipid but are less carotene. Found in plants and algae .