To confirm whether this new enzyme performed the same role as the other xanthophyll enzymes, the researchers inserted the CVDE gene into mutant forms of algae and plants that do not produce zeaxanthin. (sciencedaily.com)
Compared to the generic supermarket variety, eggs from pastured poultry are a vivid yellow - orange — proof of a richer store of healthenhancing carotenes (more specifically xanthophylls, a natural yellow - orange pigment in green plants and yellow corn).11, 12 The more carotenes, the darker, deeper orange color the yolk — and the higher the levels of fat - soluble vitamins as well. (nourishingourchildren.org)
She analyzed the environmental, genetic and geographical factors that influence the concentration of xanthophyll carotenoids zeaxanthin and lutein. (cancertutor.com)