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Selenium deficiency occurs when an organism lacks the required levels of selenium, a critical nutrient in many species.Deficiency, although relatively rare in healthy well-nourished individuals, [1] can have significant negative results, [2] affecting the health of the heart and the nervous system; contributing to depression, anxiety, and dementia; and interfering with reproduction and gestation.
Nutritional Muscular Dystrophy (Nutritional Myopathy or White Muscle Disease) is a disease caused by a deficiency of selenium and vitamin E in dietary intake. [1] Soils that contains low levels of selenium produce forages and grains that are deficient in selenium.
Selenium is a component of the amino acids selenocysteine and selenomethionine. In humans, selenium is a trace element nutrient that functions as cofactor for glutathione peroxidases and certain forms of thioredoxin reductase. [1] Selenium-containing proteins are produced from inorganic selenium via the intermediacy of selenophosphate (PSeO 3 3 ...
Selenium is a nutrient that is naturally present in many foods, added to others and is also available as a dietary supplement in pill, powder and liquid form, explains Perri Halperin, a ...
Selenium is found in metal sulfide ores, where it substitutes for sulfur. Commercially, selenium is produced as a byproduct in the refining of these ores. Minerals that are pure selenide or selenate compounds are rare. The chief commercial uses for selenium today are glassmaking and pigments. Selenium is a semiconductor and is used in photocells.
iodine deficiency / iodism (hyperthyroidism [31]) Molybdenum: 0.045 2; 0.6 Required for the functioning of xanthine oxidase, aldehyde oxidase, and sulfite oxidase [32] Legumes, whole grains, nuts [29] molybdenum deficiency / molybdenum toxicity [33] Selenium: 0.055 0.4; 0.3 Essential to activity of antioxidant enzymes like glutathione peroxidase
Both birds deliver important nutrients like iron, zinc and selenium, she adds. Poultry and fish have the most similar nutrition to eggs because they contain vitamin D and choline, two nutrients ...
Selenium in iodothyronine deiodinase, as selenocysteine, plays a crucial role in determining the free circulating levels of T 3. Selenium deficiency can have implications in fall of T 3 levels. References