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Open AccessArticle

GC-MS Screening for the Identification of Potential Migrants Present in Polymeric Coatings of Food Cans

1
Department of Analytical Chemistry, Nutrition and Food Science, Faculty of Pharmacy, University of Santiago de Compostela, 15782-Santiago de Compostela, Spain
2
National Food Center, Spanish Agency of Food Safety and Nutrition, E-28220 Majadahonda, Spain
*
Author to whom correspondence should be addressed.
Polymers 2019, 11(12), 2086; https://doi.org/10.3390/polym11122086
Received: 25 November 2019 / Revised: 10 December 2019 / Accepted: 11 December 2019 / Published: 13 December 2019
(This article belongs to the Special Issue Functional Polymer Coatings)
The coatings used in cans can release complex chemical mixtures into foodstuffs. Therefore, it is important to develop analytical methods for the identification of these potential migrant compounds in packaged food to guarantee the compliance with European food packaging legislation and ensure consumer safety. In the present work, the type of coating in a total of twelve cans collected in Santiago de Compostela (Spain) were evaluated using an ATR (attenuated total reflectance)-FTIR spectrometer. These samples were analysed after extraction with acetonitrile in order to identify potential migrants through a screening method by gas chromatography coupled to mass spectrometry (GC-MS). A total of forty-seven volatile and semi-volatile compounds were identified in these samples, including plasticizers, photoinitiators, antioxidants, lubricants, etc. Then, in a second step, a targeted analysis was carried out for the simultaneous determination of 13 compounds, including bisphenols (BPA, BPB, BPC, BPE, BPF, BPG) and BADGEs (BADGE, BADGE.H2O, BADGE.2H2O, BADGE.HCl, BADGE.2HCl, BADGE.H2O.HCl, cyclo-di-BADGE) by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) with atmospheric pressure chemical ionisation (APCI) source. Among all the bisphenols analysed, only the bisphenol A was detected in four samples; while cyclo-di-BADGE was the predominant compound detected in all the samples analysed. View Full-Text
Keywords: screening; GC-MS; LC-MS/MS; BADGE; cans; cyclo-di-BADGE screening; GC-MS; LC-MS/MS; BADGE; cans; cyclo-di-BADGE
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MDPI and ACS Style

Lestido Cardama, A.; Sendón, R.; Bustos, J.; Santillana, M.I.; Paseiro Losada, P.; Rodríguez Bernaldo de Quirós, A. GC-MS Screening for the Identification of Potential Migrants Present in Polymeric Coatings of Food Cans. Polymers 2019, 11, 2086.

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