Zeaxanthin

Zeaxanthin is a carotenoid alcohol that is found in nature. It is one of the most common carotenoid alcohols found in nature and is important in the xanthophyll cycle. Synthesized in plants and some micro-organisms, it gives the characteristic color to paprika, corn, saffron, wolfberries, and many other plants and microbes.

Structure and properties

Zeaxanthin is one of the two primary xanthophyll carotenoids contained within the retina of the eye. Within the central macula, zeaxanthin is the dominant component, whereas in the peripheral retina, lutein predominates.

Zeaxanthin supplements are typically taken on the supposition of supporting eye health. As a food additive, zeaxanthin is a dye under the E number E161h.

Sources

Zeaxanthin is the pigment that gives paprika (made from bell peppers), corn, saffron, wolfberries, and many other plants their characteristic color. Spirulina is also a rich source and can serve as a dietary supplement.

Research

Although zeaxanthin is not classified as an essential nutrient, dietary intake may contribute to maintenance of eye health. Zeaxanthin is an antioxidant, and it quenches reactive oxygen species and plays a role in protecting the retina from light-induced damage.

See also

• Carotenoid
• Xanthophyll cycle
• Lutein
• Macula of retina
• Spirulina (dietary supplement)

References

Zeaxanthin Resources
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