Results 181 to 190 of about 16,515 (204)
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The Reaction of Peroxynitrite with Zeaxanthin
Nitric Oxide, 1998The oxygenated carotenoids zeaxanthin and lutein, found in the macular area of the retina, may offer protection against or repair of oxidative damage associated with the degenerative diseases of aging. Since both superoxide and nitrogen monoxide, which react to form peroxynitrite, are found in the retina, we studied the reaction of peroxynitrite with ...
R, Scheidegger +3 more
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Lutein and zeaxanthin for macular degeneration
American Journal of Health-System Pharmacy, 2008The effects of increasing lutein and zeaxanthin dosages in people with age-related macular degeneration (AMD) are discussed.AMD is a disorder of the macula, the area associated with the sharpest visual acuity. AMD is classified as dry (nonneovascular) or wet (neovascular) and is associated with several risk factors, the biggest being age.
Lili, Zhao, Burgunda V, Sweet
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Macular Carotenoids: Lutein and Zeaxanthin
2005The yellow color of the macula lutea is due to the presence of the carotenoid pigments lutein and zeaxanthin. In contrast to human blood and tissues, no other major carotenoids including Beta-carotene or lycopene are found in this tissue. The macular carotenoids are suggested to play a role in the protection of the retina against light-induced damage ...
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Lutein, Zeaxanthin, and the Macular Pigment
Archives of Biochemistry and Biophysics, 2001The predominant carotenoids of the macular pigment are lutein, zeaxanthin, and meso-zeaxanthin. The regular distribution pattern of these carotenoids within the human macula indicates that their deposition is actively controlled in this tissue. The chemical, structural, and optical characteristics of these carotenoids are described.
J T, Landrum, R A, Bone
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Safety evaluation of meso-zeaxanthin
Food Control, 2013Abstract Meso-zeaxanthin is a xanthophyll family member of carotenoids. Having closely related structures, meso-zeaxanthin, zeaxanthin and lutein have high concentration in macula and are believed to play a major role in protecting retinal constituents from free radicals.
Xinde Xu +5 more
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Lutein, Zeaxanthin, and Skin Health
American Journal of Lifestyle Medicine, 2013The effectiveness of carotenoids in helping protect the skin from damage caused by environmental exposure has been a subject of research for more than 3 decades. It has only been within the last decade that lutein and zeaxanthin, 2 unique carotenoid molecules, have been evaluated for skin health benefits.
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