I-Vitamin B12 Insizakalo iyabangela ukulimala kwesifo sohlangothi
Sibutsetelo
Ukuntuleka kwe-Vitamin B12 kungenye yezinto ezimangazayo ezenza kube yingozi engozini. I-Vitamin B12 iyisidlo esibalulekile esitholakala ezinhlotsheni eziningi zokudla. Ukuntuleka kokudla okunomsoco sekuyisikhathi eside kwaziwa ngenxa yezinkinga zempilo, ikakhulukazi ezinganeni nakwabesifazane abakhulelwe. Kuvela ukuthi ukungatholi amavithamini B12 okwanele kungabangela ukushayisana phakathi kwabantu bonke ubudala, futhi kungabangela ingozi eyengeziwe yokushaywa yisisu phakathi kwabantwana nabesifazane abakhulelwe kanye.
Isixhumanisi esiphakathi kwe-vitamin B12 nokuntuleka kwesifo sihlanganisa inqubo yezinyathelo eziningi.
Ukuntuleka kokudla okunomsoco we-folic acid, i-vithamini B, ikakhulukazi i-vitamin B12, kubangele ukwanda kwamakhemikhali okuthiwa i-homocysteine. I-homocysteine eyedlulele idala izinkinga ezimbili; enye yalezi zinkinga ukuvuvukala kwemithambo yegazi kanti enye inkinga inqubo ebizwa ngokuthi ukucindezeleka kwe-oxidative.
Ukuvuvukala kungumthelela omkhulu wokushaya . Ukuvuvukala yi-buildup yamangqamuzana egazi amhlophe ahloselwe ukulwa nokutheleleka. Kodwa ukuvuvukala okungadingekile okuhambisana nokuntuleka kwe-vitamin B12 kubangela umonakalo emithonjeni yegazi kanye nemali engaphezu kwemithwalo yegazi. Lesi sakhi singaholela ekuphazamiseni ukugeleza kwegazi okujwayelekile ebuchosheni-okuyingozi.
Okunye okunye okubizwa ngokuthi ukulimala kwe-oxidative, okulimaza imithwalo yegazi, okwenza kube lula ukuthatha izinto ezinamathele kanye negazi, okuholela ezingxenyeni zegazi kanye ne-predisposing ukuphuma kwegazi.
Ngakho-ke, ukuntuleka kwe-vitamin B12 kungaba yimbangela yokugubha imithwalo yemvelo.
Izingozi Zezingozi
I-Vitamin B12 iyisakhi esibalulekile somsoco kubantu beminyaka yonke. Kuyathakazelisa ukuthi ukuxhumana phakathi kwe-vitamin B12 kanye nokushaywa komzimba kubonakala nakakhulu phakathi kwamaqembu anesifo esiphambene kakhulu, njengabantwana nabantu abadala.
Lezi zigaba ezincane ezibhekene nezifo-kanzima zingenaso amathuba okuba nemivimbo ekuqaleni. Lapho abantu abasha abangenayo isifo sohlangothi olubonakalayo besengozini, isigaba sezokwelapha ngokuvamile sibukeka sijulile kunokujwayelekile ukuthola imbangela. Lokhu kwenza inkinga efana nokuntula kwevithamini B12 okungenzeka kutholakale phakathi kwalaba bantu.
Kuvela ukuthi amazinga e-vitamin B12 atholakale ephansi phakathi kwabasindile isifo. Futhi, ukuvimbela ukutholakala kwevithamini B12 kuye kwaboniswa ukuthi kuyasebenza ekunciphiseni ingozi yokushaywa yisifo. Ucwaningo olukhulu oluthiwa yi-Heart Outcomes Prevention Assessment 2 Isivivinyo sibheke izinga lokushaywa yisisindo ngokuphendula amavitrojini okujova amavithamini B12 anikezwa ukuthola amazinga aphezulu e-vitamin B12 kanye nokwehlisa i-homocysteine ephakeme. Imiphumela yabonisa ukuthi i-vitamin B12 yengezela ngokunciphisa ingozi yokuhlukunyezwa phakathi kwabahlanganyeli bezocwaningo.
Ukuxilongwa
Amazinga e-Vitamin B12 angatholakala ngokuhlola igazi. Izinga elivamile libhekwa njengephakathi kwe-200 kuya ku-900 picograms per milliliter (pg / mL.) Ngokuvamile, amazinga e-vitamin B12 ayingxenye yokuhlolwa komzimba. Futhi, ezinye izazi zithi ukutholakala kwe-vitamin B12 yokuqala akutholakali ngokukala izinga lamavithamini B12 ngokuqondile, kodwa kunalokho, ngezivivinyo ezikhethekile kakhulu ezifana ne-plasma yenani lama-homocysteine noma ama-methylmalonic acid.
Lezi zivivinyo ezikhethekile azitholakali njengamanje noma ezisebenzayo.
Ngokuthakazelisayo, ukuntuleka kwe-vitamin B12 kuveza uhlobo lwe-anemia okuthiwa i-megaloblastic anemia. Kubantu abanalolu hlobo lwe-anemia, umzimba uphansi emangqamuzana egazi abomvu futhi amangqamuzana egazi abomvu ajwayelekile futhi angakwazi ukusebenza kahle. Nakuba lesi akusona isibonakaliso sokuqala sokutholakala kwevithamini B12, kutholakala kalula futhi kuvamile njalo kunezinye izindlela zokuthola ukutholakala kwe-vitamin B12.
Ukuntuleka kwe-Vitamin B12 kuhlotshaniswa nezinye izinkinga zezempilo, kuhlanganise neuropathy (ukulimala kwamantombazane) nokuwohloka komqondo.
Izimbangela
Kunezimbangela ezihlukahlukene zokuntuleka kwe-vitamin B12. Okusobala kakhulu ukungondleki nokuntuleka kwevithamini B12 ekudleni. Ngenkathi ukudla kokudla kwemifino kubhekwa njengempilo, kunezakhi ezimbalwa ezingenamsoco ekudleni kwemifino eminingi, enye yezinto eziphawulekayo yi-vitamin B12.
Kodwa-ke, ngokumangalisa, ukungabi khona kwevithamini B12 yokudla akuyona imbangela evame kakhulu yokuntuleka kwe-vitamin B12. Ngesinye isikhathi, ungase ungangeni amavithamini B12 okwanele emzimbeni wakho, ngisho noma udla ngokwanele.
Ukusebenzisa utshwala obungapheli nokusebenzisa utshwala obunzima kungabangela ukungapheli komsoco ngisho noma uthola vitamin B12 ngokwanele kokudla kwakho. Lokhu kungenxa yokuguqulwa kwamagciwane emzimbeni okwenza kube nzima ukumbamba kahle nokusebenzisa i-vitamin B12 nezinye izakhi, okuholela ekushayweni .
Izimo zezokwelapha kanye nezifo eziphazamisa ukumuncwa kwesisu somzimba noma ukusebenza komathumbu omncane njengoba kuthatha izakhi kungabangela ukungabi nalutho kwe-vitamin B12, ngisho noma inani liwanele ekudleni.
Ukuphathwa
I-Vitamin B12 iyinvithamini ongayithola ekudleni inyama ebomvu nesibindi, okuyizinhlobo ezimbili zokudla eziyaziwa ukuthi zinamazinga aphezulu kavithamini B12. Ezinye imithombo ihlanganisa inkukhu, amaqanda, ubisi, i-shellfish ne-finfish. Ngokuvamile, kunzima ukuthola vithamini B12 eyanele emithonjeni ye-vegan.
Uma unomdlavuza, kunconywa ukuba udle ukudla okuqinisekisiwe nge-vitamin B12 noma ukusebenzisa njalo isithasiselo sevithamini. Kubantu abanenkinga yokwamukela i-vitamin B12 eyanele ngenxa yezinkinga zesisu noma emathunjini, ngokuvamile kunconywa ukuba uthole ama-injection B12 ukuze ugweme ukuntuleka.
Izwi elivela
Ngokuvamile, ukushaywa yisifo, okubangelwa i-clot yegazi noma ukuphuma kwegazi ebuchosheni, kubangelwa izinkinga zempilo ezinjenge-high blood pressure kanye ne-cholesterol ephezulu, evame ukuhlobene nokudla ngokweqile kwezinye izingxenye zokudla (amafutha aphezulu okudla kanye ne-cholesterol angase abe negalelo ukuya e-high cholesterol yegazi kanye nosawoti ophezulu wokudla kungabangela ukucindezela kwegazi eliphezulu.)
Kodwa ukutholakala kwe-vitamin B12, okuyinto encane kakhulu komsoco, ingenye yezinkinga ezimbalwa zokudla ezihambisana nesifo. Izinga eliphansi le-potassium liye lahlotshaniswa nokwanda kwesifo sohlangothi. Futhi, njengoba ungakwazi njalo ukwandisa ukudla kwakho kulezi zondlo ngomzamo omncane kakhulu, kufaneleka isikhathi sakho ukwenza izinguquko zokudla noma uthole izithako uma udinga.
> Imithombo:
> I-Homocysteine yehlisa ukuvinjelwa kwesifo: Ukuqeda ukubunzima kobufakazi, iSpence JD, Int J Stroke. 2016 Okthoba; 11 (7): 744-7