X8A1N1T1H4E1I1N1
18 points
XANTHEIN is validvalid
the water-soluble part of the coloring matter in yellow flowers [n XANTHEINS]
a soluble yellow colouring [n -S]
the water-soluble part of the coloring matter in yellow flowers [n XANTHEINS]
a soluble yellow colouring [n -S]