I-Vitamin B12, ebizwa nangokuthi i-cyanocobalamin, yaqala ukuhlukaniswa ngendlela ehlanzekile ngo-1848. Emvelweni, abakhiqizi balezi zinto bangama-bacteria. Njengomthetho, ngokudla okunengqondo okuvamile, umzimba womuntu uthola inani elanele laleli vithamini. Kodwa-ke, ngezinye izifo nakumuntu omdala, ikhono lokulibamba ekudleni liyanciphisa kakhulu. Ezimweni ezinjalo, ukuthambisa i-vitamin B12 ngendlela yemithi kunconywa.
Iyini i-Vitamin B12?
I-Vitamin B12 iyisidingo esibalulekile ekusebenzeni okujwayelekile kwenyama yonke. Ngisho nokuntuleka okuncane kwe-cyanocobalamin kuholela emiphumeleni emibi kakhulu empilweni yomuntu.
Indima yayo ebalulekile ingenxa yokuthi uma ingenwe ngabantu, le vithamini ifakiwe ekubunjweni kwezinhlobo ezihlukahlukene ze-enzyme ezithinta ukulawulwa kwenani elikhulu lokuphendula kwezinto eziphilayo. Ngenxa yokuntuleka kwe-vitamin B12, lezi zinkimbinkimbi zilahlekelwa umsebenzi wazo wezinto eziphilayo, ezisongela ukuphazamiseka kwezinqubo zokusebenzisa umzimba.
I-Cyanocobalamin ibandakanyeka ezinkambisweni ze-hematopoiesis, ukwakheka kwamathambo amathanga, kuthinta umsebenzi wesibindi nesistimu yezinzwa. Ikhuthaza ukwakheka kwemithi ekhethekile - i-methionine, eqinisekisa ukubonakaliswa kwemizwelo emihle kumuntu. Futhi i-vitamin B12 iyingxenye ekuqalisweni kwe-nucleic acid esebenza ngokugcina nokukhiqizwa kolwazi lofuzo.
Ukuntuleka kwevithamini B12 kubangela imiphumela enjalo engalungile:
- i-anemia ;
- ukuphazamiseka kwesimiso sezinzwa;
- izinqubo zokuvuvukala ezakhiweni zolimi;
- isifo senhliziyo;
- ukucindezeleka , njll.
Umkhuba wevithamini B12 egazini
Ngokujwayelekile, okuqukethwe kwe-vitamin B12 kumuntu omdala kumele kube ku-100-700 pg / ml (inani elingu-300-400 pg / ml). Ukunquma inani levithamini emzimbeni kuzosiza ukuhlaziywa kwegazi ngegazi.
Umkhuba wansuku zonke we-vitamin B12
Umthamo wansuku zonke we-cyanocobalamin udinga umuntu u-0.003 mg. Kunconywa abesifazane besisu abakhulelwe ukuba bandise ukudla kwamavithamini B12 nsuku zonke izikhathi ezingu-2-3.
Esikhathini sokuqeqeshwa okude isikhathi eside, ukwanda kwesilinganiso sevithamini B12 kubagijimi kuyadingeka - cishe izikhathi ezimbili kuya kwezingu-4.
Ngenxa yobunzima bokugaya lesi sitho emathunjini aneminyaka yobudala, abantu asebekhulile badinga ukudla okungaphezulu kwamavithamini B12.
Izinkomba zokusebenzisa i-vitamin B12
Ukudla okwengeziwe kwe-vitamin B12 kuyadingeka kulezi zimo ezilandelayo:
- izinga eliphansi levithamini B12 ekuhlolweni kwegazi;
- ukuguga;
- i-vegetarianism (ngoba le vithamini itholakale ikakhulukazi emikhiqizweni yezilwane);
- ukukhulelwa;
- isifo sohudo esingapheli;
- ukusetshenziswa kwesikhathi eside kwezidakamizwa;
- ukwamukela imithi ye-steroid nezidakamizwa ezinciphisa i-cholesterol, njll.
Ungathatha kanjani i-vitamin B12?
I-Vitamin B12 ikhishwa emafomu omlomo kanye nokujova. Futhi, le vithamini ivame ukufakwa ezinkimbinkimbi ze-multivitamin.
I-Vitamin B12 ngendlela yamathebulethi nama-capsules kufanele agonywe ngokuphelele, ngilazi yamanzi, ihora ngemva kokudla.
Ukujova kwamavithamini B12 kwenziwa nge-intramuscularly, subcutaneously, intravenously and intraljumbalno - kuye ngokuthi kutholakala yini.
I-Vitamin B12 ye-stomatitis
Ukunciphisa inani lezilonda emgodini womlomo nokunciphisa ubuhlungu uma kwenzeka i-aphthous stomatitis ingenziwa ngosizo lwe-vitamin B12 kuma-ampoules. Ukuze wenze lokhu, usebenzisa i-swab yekotini, susa indawo ethintekile ngekhambi le-mucosal.
I-Vitamin B12 ngezinwele
Le vithamini inomphumela omuhle ezinyaweni. Ukuntuleka kwalo emzimbeni kubonakala ekubukeni nesimo senhloko yokuzwa. Uma izinwele zingathandeki futhi zingenaphili, zihlukaniswe futhi ziphumele ngaphandle, khona-ke ungakwazi ukuzibuyisela ngokushesha ngokusebenzisa i-vitamin B12 ngaphandle. Ukuze wenze lokhu, amaconsi ambalwa esisombululo se-vithamini kumele afakwe ekubunjweni kwezimpahla ezihlukahlukene zokunakekelwa kwezinwele - kokubili isitolo nekhaya.