Abstract
SINCE the discovery1 of the hepatotoxic and carcinogenic properties of N-nitrosodimethylamine (DMN), these properties have been demonstrated in a variety of N-nitroso compounds2–5. The effect of feeding mink with herring meal treated with excessive amounts of nitrite is to induce a liver disease6, and DMN has been isolated as the hepatotoxic factor7,8. Various methylamines present in the herring meal, especially dimethylamine and trimethylamine, were found to be responsible for the formation of DMN. Although the concentration of nitrite used in the processing of the fish meal were not typical of normal commercial food preservation practice, it is essential that any potential nitrosamine hazard deriving from the use of nitrites and nitrates in the preserving and processing of foodstuffs should be evaluated.
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CROSBY, N., FOREMAN, J., PALFRAMAN, J. et al. Estimation of Steam-Volatile N-Nitrosamines in Foods at the 1 µg/kg Level. Nature 238, 342–343 (1972). https://doi.org/10.1038/238342a0
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DOI: https://doi.org/10.1038/238342a0
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