Category Archives: Glutathione peroxidase

Organically Bound Selenium: Higher Bioavailability

Posted on October 2, 2014 by Robert Barrington

Selenium is an essential trace element required as a cofactor for a number of selenoproteins. The most well known and most extensively researched selenoprotein is glutathione peroxidase, a family of antioxidant enzymes that catalyses the removal of lipid peroxides to … Continue reading →

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Selenium Intakes in New Zealand

Posted on February 1, 2014 by Robert Barrington

  Selenium intakes in New Zealand are considered low compared to other nations. Low selenium soils produce low selenium crops and this is therefore reflected in low selenium intakes in New Zealanders. Because long term low selenium status is thought … Continue reading →

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Selenium Repletion in Humans

Posted on January 26, 2014 by Robert Barrington

  Selenium repletion is the re-establishment of correct selenium status. It is known that the Western diet is typically deficient in selenium. As a result many of the individuals within such populations are deficient in the mineral. Clark’s seminal study … Continue reading →

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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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Selenium: Depletion and Repletion

Posted on April 30, 2013 by Robert Barrington

elenium is an essential trace mineral required as a co-factor in a number of selenoproteins including selenoprotein P, thioredoxin reductase, and glutathione peroxidise. Of these glutathione peroxidise is particularly well researched with regard its cellular role, whereby it helps maintain … Continue reading →

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Plasma Selenium: The Drop Zone

Posted on April 25, 2013 by Robert Barrington

elenium is an essential mineral in human nutrition. Dietary selenium is required because the selenium ion is utilised in the structure of number of selenoproteins. Of the selenoproteins, the most widely known is glutathione peroxidise, an enzyme that catalyses the … Continue reading →

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Selenium Insufficiency: Silent Killer?

Posted on March 29, 2013 by Robert Barrington

Selenium is an essential trace mineral required for human health. Deficiency of selenium is associated the development of myalgia, cardiac myopathy, increased cell fragility and pancreatic degeneration, which can cause Keshan disease and Kashin-Beck’s disease. Selenium deficiency is rare in … Continue reading →

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