lutein, xanthophyll molecule. it is type of carotenoid, food additive e161b. structural chemical formula

additive angiogenesis antioxidant atom atomic bronzing carbon carotene carotenoid carrot cataract chemical chemistry compound degeneration dye e161b eye formula fruit hydrogen illustration kale lutein model molecular molecule orange organic pigment science spinach structure supplement tagetes vegetable vegf xanthophyll yellow yolk zeaxanthin