I-Selenium iyinhlangano elandelanayo ehlukaniswe njenge-micronutrient, okusho ukuthi udinga kuphela imali encane ukuthola lokho umzimba wakho okukudingayo. I-Selenium ingatholakala emvelweni ezindaweni ezifana namanzi nomhlabathi. Kungatholakala nakwezinye izithako ezihlukahlukene kanye nokudla okunye okufaka inyama, amakhowe, izilwane zasolwandle, amantongomane kanye nezinhlamvu. I-Selenium iphinda ibekwe njengesidakamizwa esibalulekile, okusho ukuthi kufanele itholakale ekudleni esikudlayo ukuze sikufake emzimbeni wethu.
I-Selenium isebenza nge-enzymes e-antioxidant emzimbeni ohlanganyela ekukhuleni kwamaselula. Ucwaningo oluthile luye lwabona ukuthi i-selenium ingasiza ekuvikeleni kwezinye izinhlobo zegciwane, izifo zokwelapha ezingapheli, futhi kukhulise isimiso sakho somzimba omzimba. Ezinye izifundo ezimbalwa ziye zabonisa ukuthi i-selenium eningi kakhulu noma encane kakhulu ingathinta impilo yakho ye-intanethi, futhi ibangele ukuthi izici ezithile zephrofayili yakho ye-lipid yande.
Indlela iSelenium ithinta ngayo i-cholesterol
Kuye kwaqhutshwa izifundo ezimbalwa ezihlola imiphumela ye-selenium ngezinga le-cholesterol ne-triglyceride. Lezi zifundo zilinganisa "isimo se-selenium", esho ukuhlushwa kwe-selenium egazini lakho. Lokhu kungahlukahluka ngokuvumelana nezici ezihlukahlukene, kodwa ikakhulukazi kusuka kuma-supplements aqukethe i-selenium noma ukudla kwakho kokudla.
Isimo se-Selenium siphinde sikwazi ukuhluka kabanzi ngokwezindawo zomhlaba. Ngokwesibonelo, abantu abahlala e-United States naseCanada banesimo esiphakeme se-selenium, kuyilapho abaseYurophu benesimo esiphansi se-selenium.
Izimo eziphezulu nezasezingeni selenium zibonakala kubantu abahlala eChina. Ucwaningo lwangaphambili lubonise ukuthi abantu abanesimo esiphansi se-selenium basengozini enkulu yezifo zenhliziyo. Ngakolunye uhlangothi, ukuba namazinga aphakeme ase-selenium angabangela ukuba amazinga akho e-lipid abe phezulu kakhulu, ikakhulukazi uma usuvele unesimo se-selenium esiphezulu egazini lakho.
Kwezinye zalezi zifundo, abantu abanesimo esiphakeme se-selenium babenezinga eliphakeme lama-cholesterol namazinga e- LDL ama- cholesterol. Amazinga ephelele we-cholesterol akhuliswe ngamaphesenti angaba ngu-8 futhi engekho i-HDL ye-cholesterol yanda ngamaphesenti angaba ngu-10. Ukwengeza, i-triglycerides nayo yanda ngamaphesenti angu-10 uma kuqhathaniswa nabantu abanesimo esiphansi se-selenium. Kodwa-ke, olunye ucwaningo lwaphakamisa ubuhlobo obufana no-U phakathi kwamazinga ka-selenium kanye ne-triglycerides okusho ukuthi abantu abanesimo esiphakeme nesincane se-selenium nabo babe namazinga aphezulu e-triglyceride.
Kwesinye isifundo, kwaphawulwa ukuthi abantu abanesimo esincane se-selenium bathatha isithasiselo se-selenium esivela phakathi kuka-100 no-200 mcg) babonisa ukwehlisa ngokweqile inani le-cholesterol namazinga angewona ama-HDL we-cholesterol. Kuleli qembu elifanayo, ukuthatha i-mcg 300 ye-selenium kubangele amazinga e-HDL okwandisa kancane, kepha akuthintanga amanye amazinga we-lipid. A
Ngakolunye uhlangothi, kunezinye izifundo ezingabonakali ubuhlobo phakathi kwamazinga e-selenium nama-lipid.
Akukwazi kahle ukuthi selenium ingathinta kanjani i-lipids. Omunye ucabanga ukuthi i-selenium ingahlanganiswa namaprotheni athile emzimbeni asebenzisana ne lipids nama-lipoprotein. Kucatshangwa ukuthi i-selenium ingasiza ekuvimbeleni ukuthuthukiswa kwama- lipoprotein oxidiwe angakhuthaza ukwakhiwa kwe-atherosclerosis.
Ingabe Kufanele Uthathe Selenium Emanzini Aphephile E-Lipid?
Naphezu kweminye imiphumela ebonwe kuze kube manje, kudingekile izifundo eziningi ukuhlola imiphumela ye-selenium nge-lipids nasenhliziyweni yezempilo, ngoba lokhu kubonakala kuhlukahluka ngokuya emazingeni akho ase-selenium. Ngakho-ke, izithako ze-selenium akufanele zithathwe ukuze zinciphise i-lipids yakho. I-Selenium ingaba yingozi ngezinga eliphakeme, futhi akufanele ithathwe njengesengezo ngaphandle kokuthi iqondiswe umhlinzeki wakho wezempilo. Ngoba i-selenium ivame ukutholakala ekudleni futhi iyadingeka ngemali encane, ngokulandela ukudla okunempilo nokulinganisela kufanele kuqinisekiswe ukuthi uthola lo msoco obalulekile.
Imithombo:
> Amabheyi J, i-Navas-Acien A, iyamangaza uS et al. I-serum selenium ne-serum lipids kubantu abadala base-US. I-Am J Clin Nutr 2008; 88: 416-423.
> ULlalaustra M, Uyabangalisa S, Navas-Acien A et al. Isikhundla se-Selenium kanye ne-serum lipids kubantu abadala base-US: Ucwaningo lwezeMpilo kaZwelonke kanye neZondlo (NHANES) 2003-2004. I-antherosclerosis 2010; 210: 643-648.
> Rayman MP. Selenium kanye nempilo yabantu. Lancet 2012; 379: 1256-1268.
> U-Rayman iPhalamende, u-Stranges, uS, uGriffin BA kanye no-Ann Int Med 2011; 154: 656-665.
> Uyabangalisa uS, Tabak AG, Guallar E, et al. Isimo se-Selenium negazi lipids: ingozi yezinhliziyo emcwaningweni omncane we-finns. I-Int Int 2011; 270: 469-477.