Vitamin B12 Cas: 68-19-9
| Catalog Number | xwm 91251 |
| Khoom npe | Vitamin B12 |
| CAS | 68-19-9 ib |
| Molecular Formula | C63H88CON14O14P |
| Molecular Luj | 1355.36 Nws |
| Cov ntaub ntawv khaws cia | 2 txog 8 ° C |
| Harmonized tariff Code | 29362600 ib |
Khoom Specification
| Qhov tshwm sim | Tsaus liab crystalline hmoov, los yog tsaus liab crystals |
| Assay | 99% |
| Tag nrho cov phaj suav | 800cfu/g max |
| E. Coli | Tsis zoo |
| Cov kab mob endotoxin | 0.4EU/mg max |
| Poob rau ziab | <12% |
| Yam khoom muaj feem | 3.0% max |
| Residual Solvents | Acetone: ≤0.5% |
| Poov & Pwm | 80cfu/g max |
| Dawb Pyrogen | Ua raws li EP 7.0 |
daim ntawv thov
1. Cov ntawv thov kev kho mob thiab kev noj qab haus huv feem ntau yog siv rau hauv kev kho mob ntawm ntau yam VB12 deficiency, xws li: tuaj yeem kho mob loj heev erythrocyte anemia, anemia tshwm sim los ntawm tshuaj lom, aplastic anemia thiab leukopenia;Siv nrog pantothenic acid, tuaj yeem tiv thaiv cov ntshav tsis txaus, pab rau kev nqus ntawm Fe2+ thiab gastric acid secretion;Nws kuj yog siv los kho mob caj dab, lub ntsej muag paj hlwb, trigeminal neuralgia, kab mob siab, herpes, mob hawb pob thiab lwm yam kev ua xua, atopic dermatitis, khaus, eczema thiab bursitis;VB12 kuj tseem siv tau rau kev kho mob neuroticism, irritability, insomnia, nco tsis tau, kev nyuaj siab.Kev tshawb fawb tshiab qhia tias qhov tsis txaus VB12 tuaj yeem ua rau muaj teeb meem kev puas hlwb xws li kev nyuaj siab.VB12 ua tus neeg sawv cev kho mob lossis cov khoom kho mob muaj kev nyab xeeb heev, ntau tshaj li txhiab tus RDA VB12 txhaj tshuaj rau hauv cov hlab ntsha lossis kev txhaj tshuaj intramuscular tsis tau pom muaj qhov tshwm sim lom.
2. Daim ntawv thov ntawm VB12 hauv kev pub noj tuaj yeem txhawb kev loj hlob thiab kev loj hlob ntawm cov nqaij qaib, tsiaj txhu, tshwj xeeb tshaj yog cov nqaij qaib, cov tsiaj nyeg hluas, txhim kho kev siv cov khoom noj protein, thiaj li yuav siv tau los ua cov khoom noj ntxiv.Kev kho cov qe ntses los yog kib nrog VB12 aqueous tov tuaj yeem txhim kho qhov ua siab ntev ntawm cov ntses rau cov tshuaj lom xws li benzene thiab cov hlau hnyav hauv dej thiab txo cov neeg tuag.Txij li thaum "tus kab mob nyuj vwm" tshwm sim nyob rau hauv Tebchaws Europe, kev siv cov vitamin thiab lwm cov qauv tsim cov khoom noj muaj txiaj ntsig zoo los hloov "cov nqaij thiab pob txha noj mov" muaj qhov chaw loj dua rau kev loj hlob.Tam sim no, feem ntau ntawm VB12 tsim nyob rau hauv lub ntiaj teb no yog siv nyob rau hauv kev lag luam pub.
3. Nyob rau hauv lwm yam kev thov nyob rau hauv lub teb chaws tsim, VB12 thiab lwm yam tshuaj siv nyob rau hauv tshuaj pleev ib ce;Hauv kev lag luam khoom noj khoom haus, VB12 tuaj yeem siv los ua cov xim hauv cov nqaij npua, hnyuv ntxwm, ice cream, ntses ntses thiab lwm yam khoom noj.Hauv tsev neeg lub neej, VB12 cov tshuaj adsorption ntawm activated carbon, zeolite, non-woven fiber los yog ntawv, los yog ua los ntawm xab npum, tshuaj txhuam hniav, thiab lwm yam.;Yuav siv tau rau chav dej, tub yees, thiab lwm yam deodorant, tshem tawm cov ntxhiab tsw ntawm sulfide thiab aldehyde;VB12 kuj tseem siv tau rau ib puag ncig dehalogenation ntawm cov organic halides, uas muaj kuab paug hauv av thiab dej saum npoo av.
Lub hom phiaj: vitamin B12 tsis txaus tuaj yeem ua rau mob ntshav qab zib thiab mob hlab ntsha tawg.tuaj yeem siv rau cov menyuam mos noj, qhov nyiaj ntawm 10-30 μg / kg;Cov koob tshuaj yog 2-6 μg / kg hauv cov kua fortified.
Kev siv: feem ntau yog siv rau hauv kev kho mob ntawm megaloblastic anemia, malnutrition, hemorrhagic anemia, neuralgia thiab mob.
Siv: raws li kev noj zaub mov muaj zog, nws muaj cov txiaj ntsig ntawm kev tiv thaiv kab mob ntshav qab zib, kev noj tshuaj zoo rau cov ntshav tsis txaus, noj zaub mov tsis zoo, kab mob ntshav qab zib 15-30mg / t.
Lub hom phiaj: Vitamin B12 yog cov vitamin tseem ceeb hauv cov txheej txheem ntawm tib neeg cov ntaub so ntswg metabolism.Qhov nruab nrab ntawm cov vitamin B12 nyob rau hauv tib neeg lub cev yog 2-5mg, ntawm uas 50-90% yog khaws cia nyob rau hauv daim siab thiab tso tawm mus rau hauv cov ntshav los tsim cov ntshav liab thaum lub cev xav tau.Kev tsis txaus siab ntev tuaj yeem ua rau muaj kev tsis txaus ntseeg.B12 thiab folic acid yog ib qho tseem ceeb enzyme nyob rau hauv lub synthesis ntawm nucleic acid, thiab lawv koom nyob rau hauv lub synthesis ntawm purine, pyrimidine, nucleic acid thiab methionine.Nws tseem tuaj yeem hloov cov methyl thiab txhawb cov synthesis ntawm alkali.Nyob rau tib lub sijhawm, nws tuaj yeem ua kom cov synthesis ntawm glycogen, thiaj li tshem tawm daim siab rog.Nws feem ntau yog siv los kho kab mob siab.Tib neeg lub cev xav tau txog 121 micrograms ntawm cov vitamin B txhua hnub, thiab zaub mov tuaj yeem muab 2 micrograms ib hnub los xyuas kom meej cov kev xav tau ib txwm muaj.Hydroxycobaltin nyob rau hauv vitamin B12 reacts nrog cyanide los tsim cyanocobalic acid, uas tshem tawm cov toxicity ntawm cyanide.Yog li ntawd, cov neeg uas muaj vitamin B12 tsis txaus yog rhiab heev rau cyanide ntau dua li cov pejxeem.Vitamin B12 yog siv los kho tus mob pernicious anemia, loj loj cov tub ntxhais hluas cov ntshav liab anemia, cov ntshav liab uas tawm tsam cov tshuaj folic acid nce thiab ntau yam neuritis tos.
