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Zeaxanthin is one of the most common carotenoids in nature, and is used in the xanthophyll cycle.Synthesized in plants and some micro-organisms, it is the pigment that gives paprika (made from bell peppers), corn, saffron, goji (wolfberries), and many other plants and microbes their characteristic color.
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.
As a matter of fact, winter squash has lutein and zeaxanthin, two compounds that have been shown to delay the progression of eye diseases, like age-related macular degeneration (AMD) and cataracts ...
For example, with the exception of certain flies, most insects use the xanthophyll derived R-isomer of 3-hydroxyretinal for visual activities, which means that β-cryptoxanthin and other xanthophylls (such as lutein and zeaxanthin) may function as forms of visual "vitamin A" for them, while carotenes (such as beta carotene) do not.
The FDA’s recent ban on Red Dye No. 3, set to take effect by 2027 for foods and 2028 for drugs, marks a significant step in addressing safety concerns over artificial food dyes in the U.S. food ...
Most people are familiar with the phrase “eat your vegetables” —and it’s good advice for many reasons. Yet, fewer than 10% of people get the 2.5-3.5 cups of vegetables needed daily to ...