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Everything you need to know about supporting your eye health
Macular degeneration is the leading cause of vision loss for people over the age of 60. The key to pistachios’ vision benefit is the plant pigment lutein, which is unusually bioavailable in nuts.
The yellow color comes from its content of lutein and zeaxanthin, which are yellow xanthophyll carotenoids, derived from the diet. Zeaxanthin predominates at the macula, while lutein predominates elsewhere in the retina. There is some evidence that these carotenoids protect the pigmented region from some types of macular degeneration.
Lutein (/ ˈ lj uː t i ɪ n,-t iː n /; [2] from Latin luteus meaning "yellow") is a xanthophyll and one of 600 known naturally occurring carotenoids.Lutein is synthesized only by plants, and like other xanthophylls is found in high quantities in green leafy vegetables such as spinach, kale and yellow carrots.
Meso-zeaxanthin, lutein, and 3R,3′R-zeaxanthin are the main carotenoids in the macula lutea, found in a ratio of 1:1:1, and are collectively referred to as macular pigment (MP). [3] Meso -zeaxanthin is concentrated at the epicentre of the macula, where it accounts for around 50% of MP at this location, with lutein dominating the peripheral ...
Though there is no treatment for cone dystrophy, certain supplements may help in delaying the progression of the disease. The beta-carotenoids, lutein and zeaxanthin , have been evidenced to reduce the risk of developing age-related macular degeneration (AMD), [ 2 ] and may therefore provide similar benefits [ according to whom? ] to people ...
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