lutein


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Related to lutein: lycopene, bilberry, zeaxanthin

lu·te·in

 (lo͞o′tē-ĭn, -tēn′)
n.
1. 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 may help to prevent macular degeneration.
2. A dried preparation of corpus luteum.

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

lutein

(ˈluːtɪɪn)
n
(Botany) a xanthophyll pigment, occurring in plants, that has a light-absorbing function in photosynthesis
[C20: from Latin lūteus yellow + -in]

lu•te•in

(ˈlu ti ɪn)

n.
a carotenoid yellow pigment that is abundant in egg yolk and the corpus luteum, similar to xanthophyll.
[1865–70; < Latin lūte(um) egg yolk (n. use of neuter of lūteus; see luteous) + -in1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.lutein - yellow carotenoid pigments in plants and animal fats and egg yolks
carotenoid - any of a class of highly unsaturated yellow to red pigments occurring in plants and animals
Translations

lu·te·in

n. luteína, pigmento amarillo que se deriva del cuerpo lúteo, de la yema del huevo y de las células adiposas.
References in periodicals archive ?
Dietary inclusion of lutein did not affect nutrients digestibility or CBC and lymphocyte proliferation indexes in dogs.
Focusing on skin health and vitality, both beauty formulas contain clinical strength lutein. Research has shown that the daily intake of 10 mg of lutein can help to improve skin hydration and elasticity, the company said.
What might help: Lutein or a multivita min with lutein (see p.
Some 4203 individuals (mean age, 73 years) participating in the Age-Related Eye Disease Study 2 (AREDS2), who were at risk of progression to advanced age-related macular degeneration (because of the presence of bilateral large drusen or large drusen in 1 eye and advanced macular degeneration in the other eye), were randomly assigned to receive, in double-blind fashion, daily supplementation with lutein (10 mg) plus zeaxanthin (2 mg), omega-3 fatty acids (650 mg of EPA and 350 mg of DHA), both treatments, or placebo.
Lutein is a fat-soluble pigment, belonging to the family of carotenoids, which encompasses about 700 members in nature.
Development of topical delivery carriers for lutein is becoming an important issue for the ocular drug delivery.
NEW YORK -- A study released last month suggests that an expanded use of eye care supplements containing lutein and zeaxanthin could result in $7.4 billion in additional health care savings in the United States between now and 2020.
Observational data suggested that adding in more antioxidants (the carotenoids lutein and zeaxanthin, and the omega-3 fatty acids DHA and EPA) might result in greater protection.
Adding lutein and zeaxanthin to a formulation of antioxidant vitamins provides no added protection against age-related macular degeneration (AMD), a large study suggests.
In a new Age Related Eye Disease Study (AREDS2), led by the National Institute of Health's National Eye Institute, the nutritional supplements lutein and zeaxanthin show promise to reduce the risk of developing advanced AMD.
Several carotenoids are involved, including neoxanthin, antheraxanthin, violaxanthin, lutein and zeaxanthin.