Category Archives: Lutein

Prevention of Cataracts: Lutein

Posted on June 19, 2018 by Robert Barrington

Free radicals are chemicals that are able to oxidise cells and tissues. This oxidation process leads to tissue damage and can often create chain reactions that cause further damage to cellular components. Antioxidants have been shown to be beneficial to … Continue reading →

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Lutein Intake: Another Marker of Health?

Posted on October 27, 2017 by Robert Barrington

Lutein is a xanthophyll found in high concentrations in dark green leafy vegetables such as spinach and kale. Xanthophylls are oxidised carotenoids, and like carotenoids, they may have antioxidant effects in animals. Carotenoids and xanthophylls are found mainly in foods … Continue reading →

Posted in Cardiovascular Disease, Carotenoids, Lutein, Xanthophylls | Comments Off on Lutein Intake: Another Marker of Health?

Carotenoids as Antioxidants in Humans

Posted on June 25, 2017 by Robert Barrington
Posted in Astaxanthin, Beta Carotene, Carotenoids, Cryptoxanthin, Lutein, Zeaxanthin | Comments Off on Carotenoids as Antioxidants in Humans

Carotenoids and Xanthophylls

Posted on June 17, 2017 by Robert Barrington
Posted in Alpha Carotene, Antioxidant, Astaxanthin, Beta Carotene, Carotenoids, Cryptoxanthin, Lutein, Xanthophylls, Zeaxanthin | Comments Off on Carotenoids and Xanthophylls

Citrus Fruit for Carotenoids

Posted on July 22, 2016 by Robert Barrington

Carotenoids are a group of phytonutrients that may have particular health benefits in humans. Carotenoids are synthesised in plants and are absorbed by animals when they eat carotenoid containing plants. Common dietary carotenoids include β-carotene and lycopene, and these are … Continue reading →

Posted in Antioxidant, Astaxanthin, Carotenoids, Citrus Fruit, Cryptoxanthin, Lutein, Xanthophylls, Zeaxanthin | Comments Off on Citrus Fruit for Carotenoids

Carotenoid and Xanthophyll Absorption From Spinach

Posted on July 20, 2016 by Robert Barrington

Spinach is a good source of carotenoids and their oxidised products, the xanthophylls. Carotenoids and xanthophylls act as antioxidants in plants, and in this role can protect the plant tissues from the oxidative stress that results from excessive sun exposure. … Continue reading →

Posted in Beta Carotene, Carotenoids, Digestion and Absorption, Lutein, Xanthophylls | Comments Off on Carotenoid and Xanthophyll Absorption From Spinach

Lutein Protects From Cataracts

Posted on July 18, 2016 by Robert Barrington

Lutein is a xanthophyll that is produced in plants and algae as part of the carotenoid synthesis pathway. Evidence suggests that lutein accumulates in the eyes of mammals including humans, and here it may have protective effects against cataracts and … Continue reading →

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Xanthophylls Protect The Eye

Posted on July 18, 2016 by Robert Barrington

Carotenoids are a structurally related group of phytonutrients, some of which possess vitamin A activity in humans. Carotenoids are pigments in nature and produce many of the red, yellow and orange colours in vegetables and some fruits. In plants, carotenoids … Continue reading →

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Absorption of Xanthophylls

Posted on July 16, 2016 by Robert Barrington
Posted in Antioxidant, Astaxanthin, Carotenoids, Cryptoxanthin, Digestion and Absorption, Lutein, Xanthophylls, Zeaxanthin | Comments Off on Absorption of Xanthophylls

Antioxidants for the Eye: Xanthophylls

Posted on July 15, 2016 by Robert Barrington

The human eye is an interesting design. The design of the eye is related to the function it must play in allowing vision in the presence of damaging ultraviolet light. In this regard, comparison to the octopus eye is interesting, … Continue reading →

Posted in Beta Carotene, Carotenoids, Eyes, Lutein, Lycopene, Xanthophylls, Zeaxanthin | Comments Off on Antioxidants for the Eye: Xanthophylls