Category Archives: Carotenoids

Lycopene Prevent Oxidative Stress

Posted on January 6, 2013 by Robert Barrington

Carotenoids are yellow, red and orange pigments that accumulate in the chloroplasts of plants. Carotenoids play an important role in plant physiology, where that act to harvest light in the 400 to 500 nm range which aids the plant in … Continue reading →

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Diet Quality and Total Antioxidant Status

Posted on November 9, 2012 by Robert Barrington

Low quality diets are increasingly being seen as a causative factor in disease progression and ill health. Low quality diets tend to be those with high total energy, and contain foods characterised by high concentrations of refined carbohydrates and non-essential … Continue reading →

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Vegetable Intake and Plasma Carotenoids

Posted on October 14, 2012 by Robert Barrington

Oxidative stress is associated with the aetiology of many major Western lifestyle diseases including cardiovascular disease, cancer, diabetes and arthritis. Recently, evidence has been accumulating to show that obesity, and the related metabolic syndrome, are conditions characterised by inflammation and … Continue reading →

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Vitamin Supplements and Memory

Posted on September 14, 2012 by Robert Barrington

Low B vitamin status has been shown to increase the risk of memory problems and dementia in the elderly. Trials using supplements of B vitamins have found benefits to cognitive performance, possibly because B vitamins are required for the production … Continue reading →

Posted in Antioxidant, Beta Carotene, Carotenoids, Dementia, Selenium, Vitamin C, Vitamin E, Zinc | Comments Off on Vitamin Supplements and Memory

Vegetarian Diets and Cataracts

Posted on August 19, 2012 by Robert Barrington

Age related cataracts are responsible for 48% of blindness worldwide, a figure that represent around 20 million people. Cataracts are characterised by a clouding of the lens of the eye which occurs over time, and this eventually causes obstruction of … Continue reading →

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Fruit and Vegetables for Improved Carotenoid Status

Posted on July 29, 2012 by Robert Barrington

High plasma carotenoid concentrations are associated with reductions in the risk of developing certain cancers, and high concentrations of particular carotenoids in the retina of the eye can be protective of damaging radiation. However, many clinical studies looking at the … Continue reading →

Posted in Alpha Carotene, Beta Carotene, Cancer, Cardiovascular Disease, Carotenoids, Cryptoxanthin, Lycopene, Zeaxanthin | Comments Off on Fruit and Vegetables for Improved Carotenoid Status

More on β-Carotene

Posted on July 27, 2012 by Robert Barrington

Epidemiological studies show that β-carotene intake and plasma levels shows an inverse association with certain forms of cancer. This protective effect may be due to the accumulation of carotenoids in the outer portion of cell membranes where they have antioxidant … Continue reading →

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More on Antioxidant Interactions

Posted on July 24, 2012 by Robert Barrington

Vitamin C, vitamin E and the carotenoids are important antioxidants in human tissues, that may have beneficial effects against a number of lifestyle diseases including cardiovascular disease and cancer. A wide variety of antioxidants in the diet may provide better … Continue reading →

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Beta Carotene Supplements

Posted on July 21, 2012 by Robert Barrington

Carotenoids are plant compounds that give fruit and vegetables their yellow, orange and red colours. Carotenoids are bioavialable in humans and show protective effects against diseases such as a cancer and cardiovascular disease. Although many carotenoids exist in nature, researchers … Continue reading →

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More Evidence of Marginal Vitamin Status

Posted on July 10, 2012 by Robert Barrington

Research suggests that large numbers of individuals in Western nations have marginal vitamin and mineral status. This results from a combination of poor quality diet, along with food manufacturing, processing and growing techniques that are detrimental to the micronutrient content … Continue reading →

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