Definition of lutein in English:

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lutein

Pronunciation: /ˈluːtɪɪn/

noun

[mass noun] Biochemistry
A deep yellow pigment of the xanthophyll class, found in the leaves of plants, in egg yolk, and in the corpus luteum.
Example sentences
  • Companies don't usually test for phytochemicals like lutein or lycopene because they're not yet considered nutrients.
  • In this study, visual function is improved with lutein alone or lutein together with other nutrients.
  • While the root of the beet is a nutritional powerhouse, the leaves are just as potent, containing antioxidant carotenoids, chlorophyll and lutein.

Origin

Mid 19th century: from Latin luteum 'yolk of egg' (neuter of luteus 'yellow') + -in1.

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