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lutein

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lu⋅te⋅in

  [loo-tee-in]
Use lutein in a Sentence
–noun Biochemistry.
1. Also called xanthophyll. a yellow-red, water-insoluble, crystalline, carotenoid alcohol, C40H56O2, found in the petals of marigold and certain other flowers, egg yolk, algae, and corpora lutea: used chiefly in the biochemical study of the carotenoids.
2. a preparation consisting of dried and powdered corpora lutea from hogs.
Origin:
1865–70; < L lūte(um) yolk of an egg (n. use of neut. of lūteus yellow; see luteous ) + -in 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Lutein
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lu·te·in   (lōō'tē-ĭn, -tēn')   
n.  

  1. A yellow carotenoid pigment, C40H56O2, found widely in nature, first isolated in corpus luteum but later discovered in body fats, egg yolk, and green plants; xanthophyll.

  2. A dried preparation of corpus luteum.


[Latin lūteum, yellow, egg yolk (from neuter of lūteus, yellow, from lūtum, yellowweed) + -in.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

Main Entry: lu·tein
Pronunciation: 'lüt-E-&n, 'lü-"tEn
Function: noun
: an orange xanthophyll C40H56O2occurring in plants usually with carotenes and chlorophylls and in animal fat, egg yolk, and the corpus luteum
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

lutein lu·te·in (l&oomacr;'tē-ĭn, -tēn')
n.

  1. A yellow carotenoid pigment found widely in nature; xanthophyll.

  2. A dried preparation of corpus luteum.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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