noun
- Plural of lutein; yellow or orange pigments found in plants and animal tissues, especially in the eye.
Usage: technical; biology/nutrition
Examples
- Luteins are carotenoid pigments that accumulate in the macula of the eye.
- Leafy green vegetables are rich sources of luteins and zeaxanthin.
- Studies show that luteins may help protect against age-related macular degeneration.
- The concentration of luteins in the retina increases with dietary intake of certain foods.
- Luteins give corn and egg yolks their yellow color.