Results 11 to 20 of about 12,056 (230)

Investigation on the Contents of N^ε-carboxymethyllysine, N^ε-carboxyethyllysine, and N-nitrosamines in Commercial Sausages on the Chinese Market. [PDF]

Foods, 2023
Wang W, Kou Y, Du Y, Li M, Zhang J, Yan A, Xie J, Shen M.   +7 more
europepmc   +3 more sources

An Enhanced Metabolization Protocol for In Vitro Genotoxicity Assessment of N-Nitrosamines in Mammalian Cells. [PDF]

Environ Mol Mutagen
Geijer ME, Gernaat AM, Moelijker N, Brandsma I, Hendriks G.   +4 more
europepmc   +3 more sources

N-nitrosamines in processed meats: Exposure, formation and mitigation strategies

Journal of Agriculture and Food Research, 2023
Nitrite and nitrate have been widely used in the preservation of meat products for the effective antimicrobial action against several pathogenic bacteria such as Clostridium botulinum, Salmonella and mesophilic bacteria.
Yingfeng Xie, Yaqian Geng, Jinbo Yao, Junfu Ji, Fang Chen, Jianbo Xiao, Xiaosong Hu, Lingjun Ma   +7 more
doaj   +1 more source

NMR Assignments of Six Asymmetrical N-Nitrosamine Isomers Determined in an Active Pharmaceutical Ingredient by DFT Calculations

Molecules, 2022
N-nitrosamines, which are well-known pro-mutagens, are found in drugs, pickled food and tobacco. Therefore, controlling their concentrations is very important.
Hao-Yue Guan, Yu-Fei Feng, Bai-Hao Sun, Jian-Zhao Niu, Qing-Sheng Zhang   +4 more
doaj   +1 more source

Development of a sensitive and stable GC-MS/MS method for simultaneous determination of four N-nitrosamine genotoxic impurities in sartan substances

Journal of Analytical Science and Technology, 2021
Recently, N-nitrosamines have been unexpectedly found in generic sartan products. Herein, we developed a sensitive and stable GC-MS/MS method with multiple reactions monitoring mode for the simultaneous determination of four N-nitrosamines in sartan ...
Jie Liu, Bin Xie, Binliang Mai, Qiang Cai, Rujian He, Dong Guo, Zhifeng Zhang, Jun Fan, Weiguang Zhang   +8 more
doaj   +1 more source

Determination of dietary exposure and extraction efficiency of nitrosamine from cooked meat

Current Research in Food Science, 2022
Meat products are claimed to be a source of carcinogenic nitrosamines (NAs) exposure in food. In this study, dietary exposure of six nitrosamines: N-nitrosodimethylamine (NDMA), N-nitrosodiethylamine (NDEA), N-nitrosopyrrolidine (NPYR), N ...
Abu Tareq Mohammad Abdullah, Tanzir Ahmed Khan, Miskat Sharif, Reaz Mohammad Mazumdar, Mohammad Mahfuzur Rahman   +4 more
doaj   +1 more source

Simultaneous determination of 10 N-nitrosamines in drinking water by tandem solid phase extraction-gas chromatography tandem mass spectrometry

环境与职业医学, 2022
BackgroundN-nitrosamines, a group of by-products of drinking water disinfection, have strong cytotoxicity to mammals. N-nitrosamines in drinking water are at the ng·L−1 level, and its accurate qualitative and quantitative analysis is difficult, so it is ...
Dengkun LI, Chunjing CHEN, Xiangping LIU, Yun ZHANG, Haiping NI, Lei LI   +5 more
doaj   +1 more source

The EU Response to the Presence of Nitrosamine Impurities in Medicines

Frontiers in Medicine, 2021
The unexpected detection of nitrosamine impurities in human medicines has recently seen global regulators act to understand the risks of these contaminations to patients and to limit their presence.
Robin Ruepp, Roland Frötschl, Robert Bream, Maria Filancia, Thomas Girard, Andrei Spinei, Martina Weise, Rhys Whomsley   +7 more
doaj   +1 more source

Nitrosamines: A review of formation pathways, precursors, control, and occurrence in drinking water [PDF]

MATEC Web of Conferences, 2019
Nitrogenous disinfection by-products (N-DBPs) are emerging by-products that may be present in drinking water as by-products of water treatment plant (WTP) operations.
Meadows Maxwell, Pradhanang Soni M., Boving Thomas B., Hadjeres Hichem   +3 more
doaj   +1 more source

Determination of 12 Nitrosamines Residues in Milk by Emulsification/Demulsification Method Coupled with Gas Chromatography Tandem Mass Spectrometry

Shipin gongye ke-ji, 2023
Based on the emulsification/demulsification method, a gas chromatography tandem mass spectrometry method was established for the quantitative determination of 12 nitrosamines in milk.
Wenfeng TONG, Jinsong LI, Qiao XU, Jian LI   +3 more
doaj   +1 more source