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Food Addit Contam Part A Chem Anal Control Expo Risk Assess

Title:		An optimised HS-SPME-GC-MS method for the detection of volatile nitrosamines in meat samples
Author(s):		Roasa J; Liu H; Shao S;
Address:		"a Guelph Research and Development Centre, Agriculture and Agri-Food Canada , Guelph , ON , Canada"
Journal Title:		Food Addit Contam Part A Chem Anal Control Expo Risk Assess
Year:		2019
Volume:		20190207
Issue:		3
Page Number:		396 - 404
DOI:		10.1080/19440049.2019.1571287
ISSN/ISBN:		1944-0057 (Electronic) 1944-0057 (Linking)
Abstract:		"A method to detect volatile nitrosamines in meat samples was developed using headspace sampling by solid-phase microextraction (HS-SPME), with analysis by GC-MS. A 50/30 microm divinylbenzene/carboxen/polydimethylsiloxane fused silica fibre was selected to extract a total of nine volatile nitrosamines: N-nitrosodimethylamine, N-nitrosomethylethylamine, N-nitrosodiethylamine, N-nitrosodi-n-propylamine, N-nitrosomorpholine, N-nitrosopyrrolidine, N-nitrosopiperidine, N-nitrosodi-n-butylamine, and N-nitrosodiphenylamine. Extraction at 65 degrees C for 45 min with 36% (w/v) NaCl were the optimal conditions determined for the extraction of nine nitrosamines. Excellent linearity was obtained for all analytes with determination coefficients greater than 0.997. Recovery rates were between 92 and 113%. The relative standard deviation ranged from 0.81 to 8.0% for six of the nine compounds, and from 16 to 32% for the other three. For seven out of nine nitrosamines, limits of detection were below 3.6 microg kg(-1) and the limits of quantification were below 12 microg kg(-1). The nitrosamine levels in four varieties of processed meat products were investigated to assess the applicability of the method. Based on the results, the developed HS-SPME-GC-MS method proved to be a simple and efficient technique to detect seven out of nine nitrosamines in meat products with adequate sensitivity, accuracy and precision"
Keywords:		Food Contamination/*analysis Food Packaging Gas Chromatography-Mass Spectrometry Meat Products/*analysis Nitrosamines/*analysis *Solid Phase Microextraction Volatile Organic Compounds/*analysis Gc-ms N-nitrosamines headspace solid-phase microextraction pr;
Notes:		"MedlineRoasa, Joy Liu, Huaizhi Shao, Suqin eng England 2019/02/08 Food Addit Contam Part A Chem Anal Control Expo Risk Assess. 2019 Mar; 36(3):396-404. doi: 10.1080/19440049.2019.1571287. Epub 2019 Feb 7"