Vitamin B12

Vitamin B12 yog ib qho ntawm feem complex muaj pes tsawg leeg ntawm cov vitamins nyob rau hauv cov xwm. Qhov no cov ntaub ntawv uas tseem yog nthuav nyob rau hauv uas nws tsis tau ua ke los yog nroj tsuag, tej nuj nqis cov neeg tsis tsiaj. Qhov twg, ces, nws puv tawm no vitamin? Cov lus teb yog yooj yim. Nws yog tsim microorganisms. Sib nrug ntawm no, tsis muaj ib tug muaj peev xwm sawv ntawm ua.

Tus txiv neej twg thiaj li raug vitamin B12 los ntawm ib tug ntau yam ntawm cov tsiaj cov khoom, nyob rau hauv uas muaj cov kab mob. Ntawm no yog ib co ntawm lawv:

• lub raum;

• siab;

• lub plawv;

• tsev cheese;

• nqaij;

• mis nyuj;

• cheese.

Lub luag hauj lwm ntawm vitamin B12

Nyob rau hauv tib neeg, qhov no vitamin yog absorbed nyob rau hauv cov hnyuv. Tab sis nyob rau hauv kev txiav txim rau vitamin B12 kom assimilate, yuav tsum muaj tam sim no thiaj li nazyvyemy intrinsic tau. Qhov no protein, uas yog nyob rau hauv lub plab. Nws uake rau vitamin B12, thiab ces lawv tseem tau pauv mus ua ke rau hauv cov hlab ntsha los ntawm cov plab hnyuv phab ntsa. Tsuas yog tom qab ntawd tus uas ua protein-vitamin yog thauj nyob rau hauv cov hlab ntsha thoob plaws hauv lub cev. Ib tug lossis loj npaum li cas ntawm vitamin B12 muaj nyob rau hauv nruab nrog cev xws li nqaij, daim siab, raum, paj hlwb, hlwb pob txha.

Nws kuj tshwm sim hais tias lub cev loses nws muaj peev xwm mus nqus vitamin B12 nyob rau hauv cov hnyuv. Tab sis raws li ib txwm, qhov xwm ntawm tag nrho cov kev xav. Nyob rau hauv no scenario, lub vitamin yuav tau nkag los ntawm sab hauv khw muag khoom ntawm lub siab. Tej reserves yuav kav mus txog peb mus rau plaub lub xyoos, thiab tej zaum kuj ploj lawm thiab tsib lub xyoos. Yog li ntawd, cov neeg mob yuav tsum tau noj tshuaj rau cas sib npaug no disadvantage. Piv txwv li, koj muaj peev xwm coj vitamin B12 ntsiav tshuaj. Qhov no lub cev yuav muab cov kev tsim nyog tus nqi ntawm cov tshuaj yeeb dej caw.

Lwm lub zog ntawm vitamin B12

Qhov no vitamin yog muab kev koom tes raws li ib lub hauv paus nyob rau hauv ntau yam kev tshua uas ua nyob rau hauv lub tsim ntawm xws tshuaj raws li:

• choline (tsis paub li vitamin B4);

• methionine;

• Creatine;

• acetylcholine;

• adrenaline;

• nitrogenous bases ntawm nucleic acids (e.g., DNA los yog RNA);

• proteins;

• Lwm yam active tshuaj thiab lub cev xav tau kev pab.

Nyob rau hauv tas li ntawd, B12 yog muab kev koom tes nyob rau hauv lub tsim ntawm folic acid (ib daim ntawv ntawm vitamin B9), thiab tseem muaj txhawb rau nws deposition nyob rau hauv lub cev raws li ib tug tag nrho. Qhov no tswj lub synthesis ntawm DNA thiab, tseem ceeb tshaj, tus tsim ntawm cov ntshav liab.

Tsis muaj vitamin B12 nyob rau hauv lub cev

Tsis muaj vitamin B12 tau nyob rau hauv lub tsim ntawm cov nram qab no yam:

• methylmalonic acid;

• propionic acid.

Tshaj nws yog fraught? Vim muaj cov no acids nyob rau hauv lub cev ua txhaum myelin tsim yog cai. Ib tug myelin - yog ib tug ntawm cov tseem ceeb tshaj plaws Cheebtsam muab kev koom tes nyob rau hauv cov qauv ntawm cov hlab ntsha hlwb. Nyob rau hauv no qhov teeb meem, cov neeg mob yuav muab tshuaj rau vitamin B12 nyob rau hauv ampoules.

Vitamin raug ntawm vitamin B12 (los yog nws yuav yog lwm yam - cov tsis muaj no substance), muaj tsis yog li ntawd feem ntau. Feem coob ntawm cov neeg kev txom nyem los ntawm hypovitaminosis ntawm vitamin A - yog ib tug neeg tsis noj nqaij. Yuav ua li cas yog vim li cas? Vim lub fact tias lawv tsis noj cov zaub mov ntawm cov tsiaj keeb kwm.

Tab sis nws kuj tshwm sim hais tias ib tug neeg kov nqaij thiab lwm yam tsiaj khoom, tab sis nws yog tseem muaj ib tug tsis txaus vitamin B12. Nyob rau hauv xws li mob, cov pob ntawm tag nrho cov, nyob rau hauv lub cev ntawm tus neeg mob tsis tuaj kawm ntawv los yog ua nyob rau hauv tsis txaus ntau tshwj xeeb enzyme, uas twb tau hais saum toj no - intrinsic tau.

Deficiency ntawm no protein zaum yuav tshwm sim rau cov nram qab yog vim li cas:

• atrophic gastritis;

• ib nrab kev tshem tawm ntawm lub plab;

• ib tug ntau yam ntawm kev ua hauj lwm kom tshem tawm cov plab;

• plob tsis so tswj hlav;

• Mob plab neoplasms;

• tshem tawm ntawm lub cev ib tug loj feem ntawm cov hnyuv.

Tab sis yog hais tias tus neeg mob muaj ib tug tsis muaj peev xwm ntawm vitamin B12, tab sis nws yuav tsis sawv ib yam hauj lwm piav saum toj no, koj yuav tsum tau xyuas rau lub xub ntiag ntawm cua nab nyob rau hauv lub cev vim hais tias lawv "nyiam noj" no vitamin.

Yog hais tias tsis muaj cua nab yuav tsum tau nrog ib tug kws kho mob yuav nrhiav tau qhov ua rau ntawm cov tsis muaj no substance nyob rau hauv lub cev.