2016
DOI: 10.18832/kp2016001
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N-nitrosamines in 21<sup>th</sup> Century

Abstract: Erst in den 70er Jahren des zwanzigsten Jahrhunderts wurden erstmals die stickstoffhaltigen krebserregenden Stoffe benannte N-Nitrosamine beschrieben. Ihr bewährtes Gehalt im Bier in Zusammenhang mit einem Gefahrrisiko für die Menschengesundheit hat zur Entwicklung von neuen technischen Verfahren, insbesondere der Malzherstellung geführt. Nach ihrer Einführung ist wesentlich Gehalt an N-Nitrosamine im Malz und im Bier erniedrigt worden, aus diesem Grund ist in den letzten 15 Jahren sanken Interesse an der Fors… Show more

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Cited by 9 publications
(21 citation statements)
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“…Metabolická aktivita biologické kontaminace, kterou v Evropě z 90 % tvoří pouze čtyři bakteriální druhy -Lactobacillus, Pediococcus, Pectinatus a Megasphaera (Suzuki, 2011), a nesprávné skladování hotového piva ohrožuje nejen jeho kvalitu, ale i zdraví spotřebitele. Obzvláště nebezpečné jsou například biogenní aminy, N-nitrosaminy či mykotoxiny, z nichž některé mají karcinogenní aktivitu (Matoulková a Kubizniaková, 2014;Sweeney a Dobson, 1998;Vrzal a Olšovská, 2016).…”
Section: Hotové Pivo a Jeho Skladováníunclassified
See 1 more Smart Citation
“…Metabolická aktivita biologické kontaminace, kterou v Evropě z 90 % tvoří pouze čtyři bakteriální druhy -Lactobacillus, Pediococcus, Pectinatus a Megasphaera (Suzuki, 2011), a nesprávné skladování hotového piva ohrožuje nejen jeho kvalitu, ale i zdraví spotřebitele. Obzvláště nebezpečné jsou například biogenní aminy, N-nitrosaminy či mykotoxiny, z nichž některé mají karcinogenní aktivitu (Matoulková a Kubizniaková, 2014;Sweeney a Dobson, 1998;Vrzal a Olšovská, 2016).…”
Section: Hotové Pivo a Jeho Skladováníunclassified
“…The metabolic activities of biological contamination due to incorrect storage of fi nished beer, threaten not only its quality but also the health of the consumers. Especially dangerous are biogenic amines, N-nitrosamines and mycotoxins, which can be carcenogenic (Matoulková and Kubizniaková, 2014;Sweeney and Dobson, 1998;Vrzal and Olšovská, 2016).…”
Section: Storage Of the Fi Nished Beermentioning
confidence: 99%
“…11,12 Therefore, the remaining ATNC content is supposed to be formed by unknown compounds. 13 Their precursors are hypothesized to be phenols, amines, amino acids, or peptides, and depending on their concentration, chemical nature, and ambient conditions, they might be nitrosated, nitrated, or oxidized. 12 Since specific products of these reactions are so far unknown, the study of their toxicology relevance and the advancement of their detection is limited.…”
Section: ■ Introductionmentioning
confidence: 99%
“…The products of nitrite reactions in beer are generally assumed to be non-volatile nitroso compounds approximately quantitated by ATNC. Known volatile N -nitrosamines (such as N -nitrosodimethylamine) contribute to ATNC only by 1%, and their origin was proved to be different. , Therefore, the remaining ATNC content is supposed to be formed by unknown compounds . Their precursors are hypothesized to be phenols, amines, amino acids, or peptides, and depending on their concentration, chemical nature, and ambient conditions, they might be nitrosated, nitrated, or oxidized .…”
Section: Introductionmentioning
confidence: 99%
“…N-Nitrosamines, especially volatile ones, are highly toxic substances occuring in lots of food and beverages, as well as in plastics, rubbers, and paints. Their concentrations in beer are usually lower than 0.2 µg/kg (Vrzal and Olšovská, 2016), and the most frequently detected N-nitrosodimethylamine (NDMA) mostly originated from malt. However, non-volatile N-nitrosamines are not generally known (except N-nitrosoproline) and their occasional occurrence in beer is obvious from Apparent Total N-Nitroso Compounds (ATNC) determination, sometimes referred to as Total N-Nitrosamines -TONO (Piazzoli et al, 2018;Kulshrestha et al, 2010), where most of the ATNC content is attributed to the non-volatiles (Čulík et al, 2012).…”
Section: Introductionmentioning
confidence: 99%