By Conor Reilly B.Sc., Lic. Phil., H.Dip.Ed., PhD, FAIFST (auth.)
Over the previous 50 years greater than 100,000 clinical papers, let alone well known articles and books, were written approximately Selenium. those guides proceed to seem with no displaying any signal of diminution this day. This mass of writing makes it very tricky for somebody, who's no longer a devoted and really good scientist, to get a transparent photograph of what's referred to now concerning the aspect and its position in human health and wellbeing.
The moment variation of Selenium in meals and Health takes under consideration the enormous volume of unpolluted details that has been released over the last decade, via investigators from a variety of specialties, now not all of which, at the start look, may seem to have a lot to do with human well-being. It offers details in an easy-to-follow demeanour for the overall reader who desires to make an educated judgment concerning the competing claims for and opposed to Selenium’s worth as a dietary complement, and for execs who are looking to preserve abreast of the most recent findings approximately its strength function within the administration of human future health.
About the Author
Conor Reilly is Professor Emeritus of Public wellbeing and fitness at Queensland college of expertise, Brisbane, Australia. He has spent over 30 years educating and getting to know on Selenium.
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Additional resources for Selenium in Food and Health
In all cases the source of the selenium was home-produced vegetables and other foods. Elimination of these foods from the diet led to recovery. The authors also referred to reports of chronic selenium poisoning in Columbia, South America, caused by consumption of locally produced foods grown in certain seleniferous regions. 6 to 20 µg/g and levels in crops were as much as 155 µg/g in wheat and 40 µg/g in barley. The problem, according to the authors, had actually been commented on as long ago as the 16th century when Fra Pedro Simon, a missionary priest, wrote, that “corn as well as other vegetables grow well and healthy but in some regions it is so poisonous that whoever eats it, man or animal, loses his hair.
The highest levels of selenium are deposited in red blood cells, liver, spleen, heart, nails, and tooth enamel. Excretion of absorbed selenium is mainly via the urine, with some loss in sweat, and also in hair. In addition, small amounts are lost through bilary, pancreatic, and intestinal secretions in feces (Linder, 1988). 2 Enteric Absorption of Selenium There is uncertainty about the mechanisms of transport of dietary selenium across the intestinal epithelial membrane. Absorption of selenate appears to be by a sodium-mediated carrier transport mechanism shared with sulfur, while selenite uses passive diffusion (Fairweather-Tait, 1997).
1990, Summary of new analytical techniques and general discussion, in: Tomita, H. (ed), Trace Elements in Clinical Medicine, Springer, Tokyo, pp. 541–546. , 1983, Electrothermal atomic absorption spectrometric determination of selenium in foods and diets, JAOAC. 66, 1129–1135. , 1990, Use of microwave oven for the determination of mineral elements in biological materials, Analusis 18, 331–333. S. ), Trace Elements in Human Health and Disease, Vol. 2, Academic Press, New York, pp. 135–163. , 2000, Species-selective determination of selenium compounds in biological materials, Pure Appl.