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Selenium : the lack and excess consumption rates Vitamins And Dietary Supplements / / August 12, 2017 Selenium is an essential trace mineral. This means that the human body should get this mineral in the food a person eats. Small amounts of selenium are good for health. Selenium is needed the body, but only in small quantities. Selenium helps the body in the following: - the creation of special proteins called "antioxidant enzymes" which play a role in preventing cell damage; - help the body in its protection after vaccination. Some preliminary findings of a number of medical studies suggest that selenium may help with the following conditions: - to prevent certain types of cancer; - for the prevention of cardiovascular disease; - to protect the body from the toxic effects of heavy metals and other harmful substances. Food sources of selenium Plant foods - such as vegetables - the most common dietary sources of selenium. What selenium in vegetables we eat, it depends on how much of this mineral were in the soil where plants grow. Fish, shellfish, red meat, grains, eggs, chicken, liver and garl Brewer's yeast, wheat germ, and enriched bread - are also good sources of selenium. daily requirement for selenium best way to get the daily requirement of essential vitamins - a balanced diet that includes a variety of foods. How many units of each vitamin a person needs depends on age and gender. Other factors - such as pregnancy and disease - are also important. Women pregnant or breast-feeding need more vitamins. The doctor will develop a plan supplements with vitamins on the basis of the specific needs of the patient. daily rate of selenium for infants - 0-6 months: 0.3 milligrams per day (mg / day) - 7-12 months: 0.4 mg / day selenium daily norm for children and students - 1-3 years: 0.5 mg / day - 4-8 years: 0.6 mg / day - 9-13 years: 0.9 mg / day selenium daily norm for adolescents andadults - Men aged 14 years and over: 1.3 mg / day - Women aged 14 to 18 years: 1.0 mg / day - Women aged 19 years and over: 1,1 mg / day. excess and lack of selenium in the body Selenium deficiency is rare in humans. Nevertheless, it can occur. In combination with the virus Coxsackie selenium deficiency leads to Keshan disease, which can be fatal due to disease of the heart muscle. Keshan disease caused many child deaths in China has not yet been discovered by the lack of selenium and the children were not given selenium supplements. other two diseases are associated with selenium deficiency: - Kashin-Beck disease, which leads to bone disease; - endemic cretinism (endemic myxedema), which leads to mental retardation. Severe gastrointestinal disorders may also affect the body's ability to absorb selenium. Such disorders include Crohn's disease. excess selenium in the blood can cause a condition called "selenium poisoning." Selenium can cause hair loss, nail problems, nausea, irritability, fatigue and slight damage to the nervous system. However, toxic selenium is rare.
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Selen : nedostatak i suvišak brzine potrošnje Vitamini I Dodatke Prehrani / / August 12, 2017 Selen je esencijalni mineral u tragovima.To znači da je ljudsko tijelo treba dobiti ovaj mineral u hrani osoba jede.Male količine selena su dobre za zdravlje. Selen je potrebno tijelo, ali samo u malim količinama.Selen pomaže tijelu u sljedećem: - stvaranje posebnih proteina pod nazivom "antioksidativni enzimi", koji igraju ulogu u sprječavanju oštećenja stanica; - pomoći tijelu u zaštiti nakon cijepljenja. Neki preliminarni rezultati brojnih medicinskih istraživanja pokazuju da selen može pomoći sa sljedećim uvjetima: - kako spriječiti određene vrste raka; - za prevenciju kardiovaskularnih bolesti; - da štite tijelo od toksičnih učinaka teških metala i drugih štetnih tvari.Izvori Hrana selena biljne hrane - kao što su povrće - najčešći prehrambeni izvor selena.Što selena u povrće jedemo, to ovisi o tome koliko ovog minerala su u tlu na kojem rastu biljke. ribe, školjke, crveno meso, žitarice, jaja, piletina, jetre i češnjak - svi dobri izvori selena.Meso dobiveno od životinja koje su jel Pivski kvasac, pšenične klice, te obogaćeni kruh - također su dobri izvori selena. dnevne potrebe za selenom najbolji način da se dnevne potrebe esencijalnih vitamina - uravnoteženu prehranu koja uključuje različite hrane. koliko jedinica svakog vitamina osoba treba ovisi o dobi i spolu.Ostali faktori - kao što su trudnoća i bolesti - su također važni.Žene trudni ili dojite treba više vitamina.Liječnik će razviti plan dodataka s vitaminima na temelju posebne potrebe pacijenta. dnevna stopa selena za dojenčad - 0-6 mjeseci: 0,3 mg dnevno (mg / dan) - 7-12 mjeseci: 0,4 mg / dan selena dnevno norma za djecu i studente - 1-3 godina: 0,5 mg / dan - 4-8 godina: 0,6 mg / dan - 9-13 godina: 0,9 mg / dan selena dnevno norma za mladež iodrasli - Muškarci u dobi od 14 i više godina: 1,3 mg / dan - žene u dobi od 14 do 18 godina: 1,0 mg / dan - žene u dobi od 19 i više godina: 1,1 mg / dan. višak i nedostatak selena u tijelu selena nedostatak je rijedak u ljudi.Ipak, može se dogoditi. u kombinaciji s virusom Coxsackie selena nedostatak dovodi do Keshan bolest, koja može biti fatalna zbog bolesti srčanog mišića.Keshan bolest uzrokovana mnogo djece poginulih u Kini još nije otkrio nedostatak selena i djeca nisu imali selena dodataka. druge dvije bolesti su povezane s nedostatkom selena: - Kashin-Beck bolesti, što dovodi do bolesti kostiju; - endemska kretenizma (endemska myxedema), što dovodi do mentalne retardacije. Teška gastrointestinalni poremećaji također mogu utjecati na sposobnost tijela da apsorbira selen.Takvi poremećaji uključuju Crohnovu bolest. višak selena u krvi može uzrokovati stanje koje se naziva "otrovanje selena."Selen može uzrokovati gubitak kose, probleme noktiju, mučninu, razdražljivost, umor i lagano oštećenje živčanog sustava.No, otrovni selen je rijetkost.