- Xanthophyll 3
Food dye E-number E161h.
Chemical names: (3R,3'R)-beta,beta-Carotene-3,3'-diol
Zeaxanthin is one of the most common carotenoid alcohols found in nature. It is important in the xanthophyll cycle. Synthesized in plants and some micro-organisms, it is the pigment that gives paprika, corn, saffron, wolfberries, and many other plants and microbes their characteristic color. (From Wikipedia)
Not soluble in water
Some in-vivo studies have suggested Zeaxanthin might protect the liver against oxidation.