zeaxanthin


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Related to zeaxanthin: Astaxanthin, bilberry

ze·a·xan·thin

(zē'ă-zan'thin),
A carotene found in corn, fruits, seeds, and egg yolk; isomeric with xanthophyll.
Synonym(s): zeaxanthol
[Mod. L. Zea, Indian corn, fr. L. zea, grain + G. xanthos, yellow, + -in]

zeaxanthin

(zē′ə-zăn′thēn′, -thĭn)
n.
A yellow xanthophyll carotenoid, C40H56O2, that is found in yellow corn and in the leaves of many plants, in egg yolk, and in the retina, and that may help to prevent macular degeneration.

zeaxanthin

A common carotenoid alcohol which is synthesised in plants (e.g., peppers, corn, spinach, broccoli, kiwifruit, garden peas and other vegetables), giving many their characteristic colour. Some population studies have suggested that high dietary consumption of zeaxanthin-rich foods lower the risk of age-related macular degeneration, especially in heavy smokers and those with a poor diet.
References in periodicals archive ?
In addition, lutein and zeaxanthin belong to a subgroup of carotenoids called xanthophylls, which have recently been identified as the dominant carotenoids in all major brain areas.
Ocuvite Blue Light eye vitamins contain 25 milligrams of lutein and five milligrams of zeaxanthin isomers, the key eye nutrients that help absorb blue light before it reaches the macula.
This means there was plenty of lutein circulating in the blood and ready to be converted into zeaxanthin and meso-zeaxanthin (another usable form created by the body).
Due to thermolability and photodecomposition of lutein and zeaxanthin [13], CGM should be pretreated in low energy and at low temperatures, whereas the previous pretreatment technology in particular accounts for most of energy consumption, which can cause degradation and loss of activity of lutein and zeaxanthin [14].
The purpose of this study was to assess the effects of age and gender factors on the consumption of fruits and vegetables by Hispanic-Americans, in addition to the measure of the level of lutein and zeaxanthin (lut+zea) and lycopene (lyc) found in specific fruits and vegetables consumed by these subjects.
In contrast, lutein and zeaxanthin are not synthesized by humans.
Most experts recommend regular consumption of dark, leafy vegetables, which contain high levels of lutein and also have trace amounts of zeaxanthin. Additional sources of zeaxanthin include corn and kiwifruit.
In studies that track the eating habits of thousands of men and women, people with higher levels of lutein plus zeaxanthin in their diets have a lower risk of cataracts.
This pigment, which is comprised of zeaxanthin (zee-uh-zan-thin) and lutein at a ratio of 2:1, is found in the centre of the macula.
But astronauts should be able to mitigate radiation-induced harm to their eyes by eating plants that contain carotenoids, especially zeaxanthin, which is known to promote eye health.
EyePromise vizual EDGE is unique in that it contains the highest levels of natural dietary zeaxanthin in one softgel of any supplement on the market and in the proper ratio of zeaxanthin to lutein found naturally in the macula of the eye."
This product is available in a bottle of 60 softgels, each providing Omega-3 fatty acids combined with L-Taurine and the carotenoids Lutein and Zeaxanthin.