Category Archives: Xanthophylls

Carotenoids for Diabetic Retinopathy?

Posted on September 13, 2022 by Robert Barrington

Diabetes is a disease of blood glucose regulation. The endpoint of diabetes is elevated levels of blood sugar and this can have a damaging long-term effect on various physiological functions. High levels of glucose is problematic in the blood because … Continue reading →

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Neuroprotection From Astaxanthin

Posted on November 1, 2019 by Robert Barrington

Astaxanthin is a phytochemical that belongs to the xanthophyll category of carotenoids. Xanthophylls are biological antioxidants and are able to cross the blood brain barrier of mammals. Evidence suggests that astaxanthin is neuroprotective. For example, in animal models of depression, … Continue reading →

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Astaxanthin: Anxiolytic Carotenoid

Posted on October 31, 2019 by Robert Barrington

Astaxanthin is a carotenoid that belongs to the sub-group the xanthophylls. Astaxanthin is a pigment with a red colour that is produced by algae and accumulates in animals that consume this algae. Evidence suggests that astaxanthin is bioavailable in humans, … Continue reading →

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Cryptoxanthin and Zeathanthin Mood Enhancing Xanthophyll Antioxidants

Posted on February 9, 2019 by Robert Barrington
Posted in Anxiety, Cryptoxanthin, Depression, Mood, Xanthophylls, Zeaxanthin | Comments Off on Cryptoxanthin and Zeathanthin Mood Enhancing Xanthophyll Antioxidants

Carotenoid Rich Foods for Skin Protection

Posted on November 24, 2018 by Robert Barrington
Posted in Antioxidant, Beta Carotene, Carotenoids, Lutein, Spinach, Tomatoes, Xanthophylls, Zeaxanthin | Comments Off on Carotenoid Rich Foods for Skin Protection

Lutein Protects From Cataracts: More Evidence

Posted on June 21, 2018 by Robert Barrington

Lutein is a phytochemical belonging to the carotenoid group. In particular, lutein is classified as a xanthophyll, and is closely related to other dietary xanthophylls including cryptoxanthin, zeaxanthin and astaxanthin. Lutein is present in green leafy vegetables and egg yolks … Continue reading →

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Cataract Protection: Xanthophylls

Posted on June 20, 2018 by Robert Barrington

Xanthophylls are a group of oxidised carotenoids that may play a role in human health. Xanthophylls are found in wide variety of plant foods such as green leafy vegetables, and can also be found in the tissues of animals that … Continue reading →

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Tomato Sauce: Prostate Cancer Protection

Posted on November 22, 2017 by Robert Barrington

Carotenoids, and their oxidised metabolites xanthophylls, are a heterogenous group of phytonutrients responsible for many of the orange, yellow and red colours found in plants. Examples of carotenoids include β-carotene and α-carotene in carrots and lycopene in tomatoes. Carotenoids are … 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 →

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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