Category Archives: Beta Carotene

Vitamin A: Teratogenic Effects

Posted on May 15, 2023 by Robert Barrington

Vitamin A refers to a group of chemicals that are all able to provide the same function in humans. Retinal, retinol, retinaldehyde, retinoic acid and β-carotene (and certain other carotenoids) can all provide the activity of vitamin A. Vitamin A … Continue reading →

Posted in Beta Carotene, Vitamin A | Comments Off on Vitamin A: Teratogenic Effects

Carrots, Free Radicals and Cancer

Posted on January 31, 2022 by Robert Barrington

β-carotene is an orange coloured carotenoid found in high concentrations in carrots. Consumption of β-carotene is controversial, because some studies show that it protects from cancer and some show that it might increase cancer rates. This discrepancy may relate to … Continue reading →

Posted in Beta Carotene, Cancer, Carrots | Comments Off on Carrots, Free Radicals and Cancer

Eggs As A Source of Antioxidants

Posted on April 3, 2020 by Robert Barrington

Eggs are a highly nutritious food that are high in protein. In addition, if the chickens that lay the eggs are fed a free range diet, and allowed to forage for food, the eggs can also be a source if … Continue reading →

Posted in Beta Carotene, Carotenoids, Eggs, Lutein, Zeaxanthin | Comments Off on Eggs As A Source of Antioxidants

Microalgae As A Source of Carotenoids

Posted on February 4, 2020 by Robert Barrington

Microalgae are an important source of nutrients. Certain microalgae are commercially available and studies suggest they may possess health benefits when taken as a supplement. Commercially relevant microalgae are the green algae (Chlorophycea) Chlorella vulgaris, Haematococcus pluvialis, Dunaliella salina and … Continue reading →

Posted in Astaxanthin, Beta Carotene, Carotenoids, Chlorella, Spirulina | Comments Off on Microalgae As A Source of Carotenoids

Antioxidants as Therapy for Low Mood

Posted on November 14, 2019 by Robert Barrington

Exposure to stress is a primary factor in the development of mood disorders. Stress is able to cause mood disorders because one of the downstream effects of the presence of high levels of stress hormones is the production of inflammation … Continue reading →

Posted in Antioxidant, Anxiety, Beta Carotene, Depression, Mood, Pyridoxine, Selenium, Vitamin C, Zinc | Comments Off on Antioxidants as Therapy for Low Mood

Antioxidants: Depression and Anxiety

Posted on February 5, 2019 by Robert Barrington

Oxidative stress is associated with detrimental mood changes. The aetiology of depression and anxiety are complex, but it is thought that the release of inflammatory cytokines may be an initiating step. The release of these cytokines can be caused by … Continue reading →

Posted in Antioxidant, Anxiety, Beta Carotene, Depression, Mood, Vitamin A, Vitamin C, Vitamin E | Comments Off on Antioxidants: Depression and Anxiety

The Carotenoid Content of Green and Black Tea

Posted on December 27, 2018 by Robert Barrington
Posted in Beta Carotene, Black Tea, Carotenoids, Green Tea, Tea, Theaflavins / Thearubigins, White Tea | Comments Off on The Carotenoid Content of Green and Black Tea

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

Vitamin D Toxicity: Part 3

Posted on August 23, 2018 by Robert Barrington

Three main theories have been suggested to explain the toxicity associated with excessive intakes of vitamin D. These theories are described and discussed in part 1 (here) and part 2 (here) of this article. The traditional view is that high … Continue reading →

Posted in Beta Carotene, Vitamin A, Vitamin D, Vitamin K | Comments Off on Vitamin D Toxicity: Part 3

Multivitamins Work: More Evidence

Posted on June 25, 2018 by Robert Barrington

A large body of evidence suggests that nutrient deficiencies are widespread amongst Western living populations. This relates largely to the poor quality of the Western diet and the lack of high quality micronutrient dense foods in the diets of most … Continue reading →

Posted in Antioxidant, Beta Carotene, Micronutrients, Multivitamin Multimineral, Selenium, Vitamin C, Vitamin E, Zinc | Comments Off on Multivitamins Work: More Evidence