I-Vitamin B12, ebizwa nangokuthi i-cyanocobalamin, yayiyeyona ndlela yodwa kwindawo yayo ecocekileyo ngo-1848. Kwimvelo, abavelisi beli besi bhaktheriya. Njengomthetho, ngokutya okuqhelekileyo, umzimba womntu ufumana inani elaneleyo le vithamini. Nangona kunjalo, ngezinye izifo nakumntu omdala, ukukwazi ukuwufumana ekutya kukunciphise kakhulu. Kwiimeko ezinjalo, ukungena kwe-vitamin B12 kwindlela yokucetyiswa ngamachiza.
Yintoni i-Vitamin B12?
I-Vitamin B12 iyimfuneko ebalulekileyo yokusebenza kwendalo yonke. Nokuba ukungabi nxalenye kwe-cyanocobalamin kukhokelela kwimiphumo emibi kwimpilo yabantu.
Inxaxheba ebalulekileyo ngenxa yokuba xa ixiliswe kubantu, le vithamini ifakwe kwi-enzymes eyahlukeneyo ejongene nokulawulwa kwenani elikhulu leempendulo ze-biochemical. Ngobunqongophe be-vitamin B12, ezi zine-enzyme zilahlekelwa ngumsebenzi wazo, obangelwa ukuphazamisa iinkqubo zokuxilonga.
I-Cyanocobalamin ibandakanyeka kwiinkqubo ze-hematopoiesis, ukubunjwa kweethambo zamathambo, kuthintela umsebenzi wesibindi kunye nesistim se-nervous. Ikhuthaza ukusetyenziswa kwemveliso ekhethekileyo-methionine, eqinisekisa ukubonakaliswa kwemvakalelo emihle kumntu. Kwakhona i-vitamin B12 ithatha inxaxheba kwi-synthesis ye-nucleic acids enoxanduva lokugcina nokuveliswa kolwazi lwezofuzo.
Ukuntuleka kwe-vitamin B12 kubangela ukuba kube nemiphumo emibi kakhulu:
- ukukhulelwa kwegazi ;
- iziphazamiso zesistim somdla;
- iinkqubo zokuvuvukala kwiimbophu zolwimi;
- isifo senhliziyo;
- ukuxinezeleka , njl
Isiqhelo se vithamini B12 egazini
Ngokuqhelekileyo, umxholo we-vitamin B12 kumntu omdala kufanele ube ngowama-100-700 pg / ml (ixabiso elingu-300-400 pg / ml). Ukugqiba inani levithamini emzimbeni liya kunceda ukuhlalutya kwegazi.
Umgangatho wemihla ngemihla ye vithamini B12
Umthamo wansuku zonke we-cyanocobalamin efunekayo kumntu ngu-0.003 mg. Abancinci abakhulelweyo banconywa ukuba banyuse ukutya kwama-vitamin B12 ngamaxesha ama-2-3.
Ngethuba loqeqesho olude lwangexesha elide, ukwanda kweritha ye vithamini B12 kubagijimi kuyadingeka - malunga nama-2 ukuya kuma-4 amaxesha.
Ngenxa yobunzima bokugaya le nto kwi-intestine kunye nobudala, abantu abadala bafuna ukutya okungaphezulu kwe-vitamin B12.
Imiqondiso yokusetyenziswa kwe-vitamin B12
Ukutya okongezelelweyo kwe-vitamin B12 kuyadingeka kwezi zilandelayo:
- Inqanaba eliphantsi le vithamini B12 ekuhlolweni kwegazi;
- ubudala;
- imifuno (kuba le vithamini ifumaneka kakhulu kwimveliso yezilwanyana);
- khulelwa;
- isifo sohudo;
- Ukusetyenziswa kwexesha elide lezonyango;
- ukufumana imichiza ye-steroid kunye neziyobisi ezinciphisa i-cholesterol, njl.
Ungathabatha njani i-vitamin B12?
I-Vitamin B12 ikhutshwe kwiifom zomlomo kunye negazi. Kwakhona, le vithamini idla ngokufakwa kwii-multivitamin complexes.
I-Vitamin B12 ngendlela yamacwecwe kunye neepsulules kufuneka igxinwe ngokupheleleyo, ngeglasi yamanzi, emva kweyure emva kokutya.
Izigulane ze-vitamin B12 zenziwa nge-intramuscularly, subcutaneously, intravenously and intraljumbalno - kuxhomekeke kwi-diagnostic.
I-Vitamin B12 ye-stomatitis
Ukunciphisa inani lezilonda emlonyeni womlomo kunye nokunciphisa intlungu xa kwenzeka i-aphthous stomatitis enokwenziwa ngoncedo lwe-vitamin B12 kwi-ampoules. Ukwenza oku, usebenzisa i-swab ye-cotton, susela indawo echaphazelekayo ngesisombululo se-mucosal.
I-Vitamin B12 ngeenwele
Le vithamini inefuthe elihle kwizinwele. Ukuntuleka kwayo emzimbeni kubonakaliswa kwimeko kunye nemeko yentloko yokuva. Ukuba iinwele zibuhlungu kwaye zingenasiphelo, zahlukana kwaye ziyawa, ngoko unokuzibuyisela ngokukhawuleza ngokusebenzisa i-vitamin B12 ngaphandle. Ukwenza oku, amaconsi ambalwa kwisisombululo se-vithamini kufuneka afakwe kwizinto ezahlukeneyo zokugcoba iinwele ezondlayo-zombini igcina kunye nekhaya.