Lutein Definition
lo͝otē-ĭn, -tēn
noun
A yellow-orange xanthophyll carotenoid, C40 H56 O2 , that occurs naturally in green plants and in the fat of plant-eating animals, egg yolk, the corpus luteum, and the retina, and that is being investigated as a treatment for macular degeneration.
American Heritage
Webster's New World
A preparation of dried and powdered corpus luteum.
Webster's New World
(organic chemistry) A yellow carotenoid pigment, widely distributed in both plants and animals.
Wiktionary
Synonyms:
- xanthophyl
- xanthophyll
Origin of Lutein
Latin lūteum yellow, egg yolk (from) (neuter of lūteus yellow) (from lūtum yellowweed) –in
From American Heritage Dictionary of the English Language, 5th Edition
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