Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A yellow-orange xanthophyll carotenoid, C40H56O2, 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.
  • noun A dried preparation of corpus luteum.

from The Century Dictionary.

  • noun A yellow pigment contained in the yolk of eggs, in the tissue of the corpus luteum, in blood-serum, etc. It forms orange crystals.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physiol. Chem.) A substance of a strongly marked yellow color, extracted from the yolk of eggs, and from the tissue of the corpus luteum.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry A yellow carotenoid pigment, widely distributed in both plants and animals.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun yellow carotenoid pigments in plants and animal fats and egg yolks

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Latin lūteum, yellow, egg yolk (from neuter of lūteus, yellow, from lūtum, yellowweed) + –in.]

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Examples

  • And in particular, one of the carotenoid pigments called lutein, which is present in many vegetables.

    CNN Transcript Jul 18, 2002 2002

  • Pumpkins are high in carotenoids, which neutralize free radicals, and lutein, which is good for your baby blue eyes.

    Jodi Lipper and Cerina Vincent: Have Your Candy And Eat It, Too 2009

  • In addition, a 2006 study found that the pigments that contribute to the color of the egg yolk, called lutein and zeaxanthin, increased skin hydration 38 percent when taken as a daily 10 mg supplement.

    The Truth About Beauty Kat James 2007

  • TALLMADGE: Spinach, kale, they're loaded with a nutrient called lutein and studies are confirming that lutein is important for prevention of macular degeneration, the leading cause of blindness as we age, but also cataracts and other eye diseases.

    CNN Transcript May 24, 2007 2007

  • In addition, a 2006 study found that the pigments that contribute to the color of the egg yolk, called lutein and zeaxanthin, increased skin hydration 38 percent when taken as a daily 10 mg supplement.

    The Truth About Beauty Kat James 2007

  • TALLMADGE: Spinach, kale, they are loaded with a nutrient called lutein (ph), and studies are confirming that lutein is important for macular degeneration, the leading cause of blindness as we age, but also cataracts and other eye diseases.

    CNN Transcript Oct 26, 2006 2006

  • Eyes • Green vegetables: Spinach, zucchini, broccoli and brussels sprouts contain a caroteinoid called lutein and a pigment called zeaxanthinan.

    The Times of India 2010

  • Eyes • Green vegetables: Spinach, zucchini, broccoli and brussels sprouts contain a caroteinoid called lutein and a pigment called zeaxanthinan.

    The Times of India 2010

  • ZUCCHINI The sight-saving plant pigment called lutein is lost in cooking; so is vitamin C. BROCCOLI Eat it raw, and you'll get a hefty helping of potent plant nutrients that lower your risk of blood clots, plus vitamin C, and an enzyme that may demolish precancerous cells.

    Thestar.com - Home Page You Docs 2010

  • The cytoplasm become filled with yellow pigment called lutein and the follicular cells called luteal cells.

    Recently Uploaded Slideshows saktivinayaga 2010

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