Category Archives: Beta Carotene

Carotenoids as Thermogenic Agents

Posted on September 24, 2024 by Robert Barrington

Carotenoids are a group of lipid soluble antioxidants that are found in plants. In plants they allow the harvesting of light for photosynthesis under conditions of low light and protect the cells from oxidation under conditions of high light. Carotenoids … Continue reading →

Posted in Alpha Carotene, Astaxanthin, Beta Carotene, Carotenoids, Cryptoxanthin, Weight Loss, Xanthophylls, Zeaxanthin | Comments Off on Carotenoids as Thermogenic Agents

Bioavailability of Beta-Carotene in Carrots and Spinach

Posted on June 7, 2024 by Robert Barrington

Carrots and spinach are rich sources of β-carotene. Beta-carotene is a plant pigment that is used in the photosynthetic process. As part of this role in plants, β-carotene is required to act as an electron acceptor during times of high … Continue reading →

Posted in Beta Carotene, Carotenoids, Carrots, Spinach | Comments Off on Bioavailability of Beta-Carotene in Carrots and Spinach

Vitamin C in Carrots

Posted on May 20, 2024 by Robert Barrington

Carrots are perhaps best known for their orange colour which derives from their high concentrations of carotenoids (60 to 134 mg per kg). In particular, carrots are high in alpha-carotene and beta-carotene, and both of these carotenoids are bioavailable and … Continue reading →

Posted in Alpha Carotene, Beta Carotene, Carotenoids, Carrots, Vitamin C | Comments Off on Vitamin C in Carrots

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