Vitamin B12 (Cyanocobalamin) CAS: 68-19-9 Chaw Tsim Khoom Siv

Vitamin B12 yog ib yam khoom noj khoom haus tseem ceeb uas tsim nyog rau kev ua haujlwm ntawm tib neeg lub cev. Nws qhov tsis txaus tuaj yeem ua rau muaj ntshav tsis txaus thiab ntau yam kab mob ntawm lub paj hlwb. Vitamin B12 feem ntau yog siv rau kev kho mob megaloblastic anemia. Nws kuj tseem siv los kho cov khoom noj tsis zoo, ntshav tsis txaus vim poob ntshav, mob neuralgia, thiab mob obstructive. Hauv tib neeg lub cev, vitamin B12 ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm ntawm lub cev. Qhov nruab nrab tag nrho ntawm vitamin B12 hauv lub cev yog kwv yees li 2-5mg, nrog rau feem ntau (50-90%) khaws cia rau hauv lub siab. Vitamin B12, nrog rau folic acid, yog qhov tseem ceeb rau kev tsim cov nucleic acids thaum lub sijhawm faib cell. Nws koom nrog kev tsim cov purines, pyrimidines, nucleic acids, thiab methionine. Hauv kev xaus, vitamin B12 feem ntau yog siv los kho cov mob xws li pernicious anemia, megaloblastic anemia, anemia los ntawm cov tshuaj antifolate, thiab multiple neuritis. Nws yog ib yam khoom noj khoom haus tseem ceeb rau kev ua haujlwm ntawm lub cev, thiab nws qhov tsis txaus tuaj yeem ua rau muaj ntau yam teeb meem kev noj qab haus huv.