lutein


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Related to lutein: lycopene, bilberry, zeaxanthin

lutein

 [loo´te-in]
1. a lipochrome from the corpus luteum, fat cells, and egg yolk.
2. any lipochrome.

lu·te·in

(lū'tē-in),
1. The yellow pigment in the corpus luteum, in the yolk of eggs, or any lipochrome.
2. Synonym(s): xanthophyll
3. The dried powdered corpora lutea of the hog, formerly used as a progesterone source.
[L. luteus, saffron-yellow]

lutein

/lu·te·in/ (-in)
1. a lipochrome from the corpus luteum, fat cells, and egg yolk.
2. any lipochrome.

lutein

(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.

lutein

[lo̅o̅′tē·in]
Etymology: L, luteus, yellow
a yellow-red crystalline carotenoid pigment found in plants with carotenes and chlorophylls.

lutein

A carotenoid that is abundant in broccoli, greens (collard, turnip), leafy greens (spinach, kale), eggs and animal fat. It is an antioxidant is linked to a decreased risk of lung cancer.

lu·te·in

(lū'tē-in)
1. The yellow pigment in the corpus luteum, the yolk of eggs, or any lipochrome.
2. Synonym(s): xanthophyll.
[L. luteus, saffron-yellow]

lutein (lōōˑ·tēn),

n a carotenoid pigment with antioxidant properties that may be useful in preventing cataracts, macular degeneration, and atherosclerosis; no known precautions.

lu·te·in

(lū'tē-in)
Yellow pigment in corpus luteum, in egg yolk, or any lipochrome.
[L. luteus, saffron-yellow]

lutein

1. a lipochrome from the corpus luteum, fat cells, and egg yolk.
2. any lipochrome.
References in periodicals archive ?
It has long been known that higher levels of zeaxanthin and lutein in the retina are protective against degenerative eye disease.
Because of these findings and earlier research showing that beta-carotene supplementation increases the incidence of lung cancer in smokers, it would seem appropriate to remove beta-carotene from the formula, particularly if lutein and zeaxanthin are added.
This study is an approach made to evaluate the protective effects of lutein against EBR-induced biochemical changes in Swiss albino mice.
Lutein is a nutrient that the body can't make on its own, so it must be acquired through diet.
Changing diets or adding supplements to increase lutein and zeaxanthin levels might be one strategy to help with that.
Researchers also collected blood samples to determine blood serum levels of lutein and imaged participants' brains using MRI to measure the volume of different brain structures.
2kg (average [+ or -] standard deviation) body weight were fed for 120 days with two iso-nutritive diets, which only difference was the inclusion of 45g lutein [kg.
The company's Biotin Plus product features 10 mg of lutein and 5,000 meg of biotin, helping to revive hair, strengthen nails and hydrate skin.
But in the only good study that tested supplements, people with macular degeneration who were given 10 milligrams of lutein and 2 mg of zeaxanthin every day for five years had no lower risk of cataracts.
Paraquat and hydrogen peroxide-induced apoptosis are neutralized by lutein in cultured retina photoreceptors promoting survival and differentiation [22].
Marigold is the crop used to produce 95% of global pure lutein and we will significantly increase lutein content of this crop through manipulation of gene expression, based on an existing proof of concept.
NEW YORK -- A study released last month suggests that an expanded use of eye care supplements containing lutein and zeaxanthin could result in $7.