Vitamin B12 thiab folic acid yog cov as-ham tseem ceeb uas ua lub luag haujlwm sib txawv hauv lub cev. Thaum lawv ob leeg koom nrog ntau yam txheej txheem physiological, lawv tsis zoo ib yam. Hauv tsab xov xwm no, peb tshawb nrhiav qhov sib txawv ntawm cov vitamin B12 thiab folic acid, lawv tus kheej lub luag haujlwm, thiab vim li cas lawv ob leeg tseem ceeb heev rau kev noj qab haus huv tag nrho.
1. Chemical Structure
Vitamin B12 thiab folic acid sib txawv hauv lawv cov qauv tshuaj. Vitamin B12, tseem hu ua cobalamin, yog ib tug complex molecule uas muaj cobalt. Hauv qhov sib piv, folic acid, tseem hu ua vitamin B9 lossis folate, yog ib qho yooj yim molecule. Nkag siab txog lawv cov qauv sib txawv yog qhov tseem ceeb rau kev txaus siab rau lawv lub luag haujlwm tshwj xeeb hauv lub cev.
2. Cov khoom noj khoom haus
Ob qho tib si vitamin B12 thiab folic acid tuaj yeem tau los ntawm kev noj zaub mov, tab sis lawv los ntawm ntau qhov chaw. Vitamin B12 feem ntau pom muaj nyob rau hauv cov khoom tsiaj xws li nqaij, ntses, qe, thiab mis nyuj. Piv txwv li, folic acid muaj nyob rau hauv ntau yam khoom noj, nrog rau cov nplooj ntsuab ntsuab, legumes, txiv hmab txiv ntoo, thiab fortified cereals.
3. Kev nqus hauv lub cev
Kev nqus ntawm vitamin B12 thiab folic acid tshwm sim hauv ntau qhov chaw ntawm lub plab zom mov. Vitamin B12 yuav tsum muaj qhov tseem ceeb hauv lub cev, cov protein uas tsim tawm hauv plab, rau kev nqus hauv cov hnyuv. Nyob rau hauv sib piv, folic acid yog absorbed ncaj qha mus rau hauv cov hnyuv me yam tsis tas yuav tsum tau rau ib tug intrinsic yam. Cov txheej txheem nqus dej sib txawv qhia txog qhov tshwj xeeb ntawm txhua yam khoom noj hauv lub cev.
4. Kev ua haujlwm hauv lub cev
Thaum ob qho tib si vitamin B12 thiab folic acid ua lub luag haujlwm tseem ceeb hauv kev txhawb nqa kev noj qab haus huv, lawv txoj haujlwm hauv lub cev txawv. Vitamin B12 tseem ceeb heev rau kev tsim cov qe ntshav liab, kev saib xyuas ntawm lub paj hlwb, thiab kev sib txuas ntawm DNA. Folic acid Nws kuj tseem koom nrog hauv DNA synthesis thiab faib cell, ua rau nws tseem ceeb heev rau kev loj hlob thiab kho cov ntaub so ntswg. Tsis tas li ntawd, folic acid yog qhov tseem ceeb tshwj xeeb tshaj yog thaum cev xeeb tub rau kev loj hlob ntawm fetal neural raj.
5. Cov tsos mob tsis txaus
Kev tsis txaus ntawm vitamin B12 thiab folic acid tuaj yeem ua rau muaj teeb meem kev noj qab haus huv, txhua tus muaj nws tus kheej cov tsos mob. Tsis muaj vitamin B12 tuaj yeem ua rau mob ntshav qab zib, qaug zog, tsis muaj zog, thiab cov tsos mob ntawm lub paj hlwb xws li tingling thiab loog loog. Folic acid deficiency kuj tuaj yeem ua rau ntshav tsis txaus, tab sis nws tuaj yeem tshwm sim nrog cov tsos mob ntxiv xws li kev chim siab, tsis nco qab, thiab muaj kev pheej hmoo siab ntawm neural tube tsis xws luag thaum cev xeeb tub.
6. Interdependence ntawm B vitamins
Thaum cov vitamin B12 thiab folic acid yog cov khoom noj sib txawv, lawv yog ib feem ntawm B-vitamin complex, thiab lawv cov haujlwm muaj feem cuam tshuam. Vitamin B12 thiab folic acid ua haujlwm ua ke hauv ntau txoj hauv kev metabolic, suav nrog kev sib txuas ntawm DNA thiab hloov pauv ntawm homocysteine rau methionine. Cov qib txaus ntawm ob cov vitamins yog qhov tseem ceeb rau kev noj qab haus huv tag nrho.
Xaus
Hauv kev xaus, vitamin B12 thiab folic acid tsis zoo ib yam; lawv yog cov as-ham sib txawv nrog cov qauv tshwj xeeb, cov peev txheej, kev nqus cov txheej txheem, thiab kev ua haujlwm hauv lub cev. Thaum lawv sib koom qee qhov zoo sib xws, xws li lawv txoj kev koom tes hauv DNA synthesis thiab cell division, lawv cov kev pab cuam rau kev noj qab haus huv ua rau lawv ob qho tib si tseem ceeb.
Rau cov neeg nrhiav kev ntxiv lawv cov vitamin B12 lossis folic acid kom tsawg, nws yog ib qho tseem ceeb uas yuav tau sab laj nrog cov kws kho mob lossis kws kho mob kom txiav txim siab npaum li cas. Tsis tas li ntawd, cov kws tshaj lij vitamin thiab cov khoom siv ntxiv tuaj yeem muab cov khoom lag luam zoo kom tau raws li tus neeg xav tau kev noj haus.
Yog xav paub ntxiv txog vitamin B12, folic acid, lossis lwm yam kev noj haus, thov tsis txhob yig tau tiv tauj peb. Raws li koj tus neeg muab khoom noj khoom haus tshwj xeeb, peb nyob ntawm no los pab nrog cov lus nug lossis kev xav tau uas koj muaj.
Post lub sij hawm: Nov-15-2023