| Section2 = | Section7 = }} Lutein (pronounced /ˈluːtiːən/, /ˈluːtiːn/, /ˈluːtɪɪn/; from Latin luteus meaning "yellow")'s one of over 600 known naturally occurring carotenoids. Found in green leafy vegetables such as spinach and kale, lutein's employed by organisms as an antioxidant and for blue light absorption. Lutein's present in the plant as fatty-acid ester, with one or two fatty acids bound to the two hydroxyl-groups. Saponification… (More on Lutein)