Tag Archives: Antioxidants

Babies Need Selenium Too

Posted on September 30, 2013 by Robert Barrington

Selenium is an essential nutrient required for the correct function of the glutathione peroxidase enzyme. In this respect it is an important component in the reduction of hydrogen peroxide from tissues. In addition, selenium bonds to other proteins including the … Continue reading →

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Glutathione Peroxidase and Selenium Supplements

Posted on September 29, 2013 by Robert Barrington

Glutathione peroxidase is an important antioxidant in mammals, including humans. Glutathione peroxidase is important because it is involved in the reduction of hydrogen peroxide to water, and also reduces lipid hydroperoxides. In this respect glutathione peroxidase plays an important role … Continue reading →

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Endothelial Function Improved with Walnuts

Posted on September 26, 2013 by Robert Barrington

ndothelial dysfunction is characterised by a reduction in the synthesis of nitric oxide and a concomitant decrease in flow mediated dilation. This is thought to lead to increases in blood pressure, which is a risk factor for cardiovascular disease. Endothelial … Continue reading →

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Grapes and Blood Pressure

Posted on September 20, 2013 by Robert Barrington

t is becoming increasingly evident that antioxidants are able to favourably modulate high blood pressure. In particular, plant antioxidants such as the polyphenol class of compounds are able to cause blood pressure changes by increasing flow mediated dilation. For example, … Continue reading →

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Whole Food Diet: Improves Asthma

Posted on September 16, 2013 by Robert Barrington

hole food diets containing high intakes of fruit, vegetables and whole grain cereals are beneficial to the health by protecting from major disease. This may be because of the antioxidants that plant foods contain, many of which are bioavailable in … Continue reading →

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Carotenoid Levels Following UV Exposure

Posted on July 31, 2013 by Robert Barrington

Carotenoids are a group of plant compounds some of which show vitamin A activity in humans. Structurally, carotenoids are carbon chains that can be xanthophylls or carotenes, the former differing from the latter in that they contain an oxygen molecule … Continue reading →

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Does Vitamin E Decrease Platelet Aggregation?

Posted on July 20, 2013 by Robert Barrington

Detrimental changes to platelet aggregation can be caused by an imbalance in dietary intake of the essential fatty acids. This is because both α-linolenic acid (ALA, C18:3 (n-3)) and linoleic acid (LA, C18:2 (n-6)) are converted to other fatty acids … Continue reading →

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Fruits and Vegetables: Basic Nutrition

Posted on May 13, 2013 by Robert Barrington

vidence supports the theory that fruit and vegetable consumption is beneficial to health. In particular, plant foods may protect against chronic Western lifestyle diseases. The current recommendation is to consume around five portions of fruits or vegetables per day in … Continue reading →

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Stop Smoking: Boost Vitamin C

Posted on May 11, 2013 by Robert Barrington

mokers have depressed levels of certain antioxidant in their plasma. Theory suggests this is because the free radicals in cigarette smoke deplete the antioxidants, which may subsequently increases the risk of diseases such as cancer. However, a study published in … Continue reading →

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Manganese Absorption: Biochemical Individuality

Posted on May 1, 2013 by Robert Barrington

anganese is required in humans as a co-factor for the enzymes pyruvate carboxylase, arginase, prolidase, glucosyl transferase, phosphoenolpyruvate carboxylase and superoxide dismutase. Superoxide dismutase is of interest nutritionally because it is an enzyme that is important for antioxidant defences and … Continue reading →

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