Lutein from marigold Asteraceae Tagetes plants raised in a pigment widely used in food additives, also used as a medicinal pigment. Lutein is a widely found in vegetables, flowers, fruits and other plants in the natural material, living in "Class carrot category of" family matter, now known to exist in nature, more than 600 types of carotenoids, only about 20 species exist in the person's blood and tissues.