Nitrosamines yog cov organic tebchaw uas peb raug rau hauv peb lub neej txhua hnub. Lawv muaj nyob hauv qis hauv peb cov dej thiab zaub mov, suav nrog nqaij, zaub, thiab khoom noj siv mis. Nitrosamines los ntawm cov tshuaj tiv thaiv thiab tuaj yeem tsim hauv cov tshuaj thaum tsim khoom.
Cov khoom noj twg muaj nitrosamines siab?
Cov khoom noj uas tau pom tias muaj cov tshuaj nitrosamines tsis haum xws li kho nqaij, feem ntau cov nqaij npuas kib; npias; qee cov cheese; mis nyuj tsis muaj rog; thiab tej zaum ntses. Nws yuav tsum tau hais qhia tias tsis yog txhua qhov kev soj ntsuam kuaj pom muaj cov tshuaj nitrosamines.
NDMA pom hauv dab tsi?
NDMA tuaj yeem pom muaj ntau yam khoom noj thiab dej haus xws li whiskey, npias, kho nqaij, nqaij npuas kib, thiab cheeses. Qib NDMA hauv cov zaub mov no feem ntau siab dua li qib NDMA pom hauv cov dej haus kho.
Nitrosamines ua dab tsi rau lub cev?
Nitrosamines raug suav tias yog cov carcinogens muaj zog uas tuaj yeem tsim mob qog noj ntshav hauv ntau lub cev thiab cov ntaub so ntswg nrog rau lub ntsws, hlwb, siab, raum, zais zis, plab, txoj hlab pas, thiab qhov ntswg qhov ntswg.
Nitrosamine ua li cas?
Nitrosamines yog tsim los ntawm cov tshuaj tiv thaiv ntawm nitrites thiab lwm yam amines. Nitrites yog siv los ua zaub mov preservatives, e.g. kho cov nqaij. Secondary amines tshwm sim los ntawm degradation ntawm cov proteins (zaub mov). Kev noj tshuaj nitrite thiab nitrosamine yog txuam nrog kev pheej hmoo ntawmmob qog noj ntshav gastric thiab oesophageal.
