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Zeaxanthin in guard cells acts as a blue light photoreceptor which mediates the stomatal opening. [4] Animals derive zeaxanthin from a plant diet. [2] Zeaxanthin is one of the two primary xanthophyll carotenoids contained within the retina of the eye. Zeaxanthin supplements are typically taken on the supposition of supporting eye health.
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 macula.
Unlike vitamins and minerals, there is no official recommendation for lutein consumption. ... It frequently travels with another vision-supporting pigment called zeaxanthin, giving you a double ...
Carotenoids lutein and zeaxanthin, found in the yolk of chicken eggs, have been shown to reduce the risk of cataracts and macular degeneration, the leading causes of blindness in people 55 and older.
These green nuts also have plenty of B vitamins and 3 grams of fiber per serving. ... pistachios get their green hue from two plant compounds — lutein and zeaxanthin — which have been linked ...
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