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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Mutagenicity and cytotoxicity of nitropyrrole compounds derived from the reaction of 2-acetyl pyrrole with nitrite.

2-Acetylpyrrole (AP) is a product of model browning systems, and has been isolated as a major flavour component of many foods. Reaction of AP with nitrite produces two N-nitropyrrole compounds, 1-nitro-2-acetyl-pyrrole (NAP) and 1,3,5-trinitro-2-acetylpyrrole (TNAP), the chemical structures of which have been confirmed by spectral studies, including UV mass, nuclear magnetic resonance, infra-red and elemental analysis (EA). NAP and TNAP are moderately mutagenic to the Salmonella strains TA98 and TA100 in the absence of a mammalian activation system and are markedly cytotoxic to mouse C3H10T1/2 cells. These results suggest that the formation of direct-acting mutagens of nitro-derivatives may take place in nitrite-containing food or in vivo by nitrosation following ingestion of AP.[1]

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