A Salting-out Liquid-Liquid extraction (SALLE) for the analysis of caprolactam and 2,4-di-tert butyl phenol in water and food simulants. Study of the salinity effect to specific migration from food contact materials

2020 ◽  
Vol 1156 ◽  
pp. 122301 ◽  
Author(s):  
Emmanouil D. Tsochatzis ◽  
Anja Mieth ◽  
Joao Alberto Lopes ◽  
Catherine Simoneau
2013 ◽  
Vol 423-426 ◽  
pp. 857-860
Author(s):  
Hai Tao Chi ◽  
Wei Li Liu ◽  
Guang Hui Hu ◽  
Xia Gao ◽  
Ting Zhao ◽  
...  

Harmful low molecular weight substances in fifteen commercially available disposable cups were qualitatively analyzed. Contents of several suspected low molecular weight substances containing 2,6-Di-tert-butyl-4-methylphenol,Oleamide, Dibutyl phthalate in 15 disposable cups were quantitatively analyzed. The amount of igration of low molecular weight substances (DBP) in three food simulants was analyzed.


Molecules ◽  
2021 ◽  
Vol 26 (24) ◽  
pp. 7640
Author(s):  
Pablo Miralles ◽  
Vicent Yusà ◽  
Yovana Sanchís ◽  
Clara Coscollà

A GC-HRMS analytical method for the determination of 60 migrant substances, including aldehydes, ketones, phthalates and other plasticizers, phenol derivatives, acrylates, and methacrylates, in plastic food contact materials (FCM) has been developed and validated. The proposed method includes migration tests, according to Commission Regulation (EU) 10/2011, using four food simulants (A, B, C, and D1), followed by vortex-assisted liquid–liquid extraction (VA-LLE) and GC-Q-Orbitrap HRMS analysis in selected ion monitoring (SIM) mode, with a resolving power of 30,000 FWHM and a mass accuracy ≤5 ppm. The method was validated, showing satisfactory linearity (R2 ≥ 0.98 from 40 to 400 µg L−1), limits of quantification (40 µg L−1), precision (RSD, 0.6–12.6%), and relative recovery (81–120%). The proposed method was applied to the analysis of field samples, including an epoxy-coated tin food can, a drinking bottle made of Tritan copolyester, a disposable glass made of polycarbonate, and a baby feeding bottle made of polypropylene, showing that they were in compliance with the current European regulation regarding the studied substances.


2013 ◽  
Vol 36 (3) ◽  
pp. 477-484 ◽  
Author(s):  
Xiaojing Li ◽  
Wenming Xiong ◽  
Hua Lin ◽  
Liyang Zhuo ◽  
Shuiyuan Lv ◽  
...  

Author(s):  
Yue Qiu ◽  
Yan Ruan ◽  
Lu Zhang ◽  
Genrong Li ◽  
Chaolan Tan ◽  
...  

2000 ◽  
Vol 83 (2) ◽  
pp. 311-319 ◽  
Author(s):  
Jesús Simal-Gándara ◽  
Miguel Sarria-Vidal ◽  
Rinus Rijk

Abstract A liquid chromatographic method with evaporative mass detection (EMD) is described for the determination of paraffins in food contact materials that do not contain polyolefin oligomers, or paraffins migrating from these materials into fatty food simulants or certain simple foods. A normal-phase column operating at maximum column efficiency separates nonparaffinic and paraffinic materials without resolving the latter into individual components, and EMD is used to quantitate the paraffins. An on-line qualitative method that uses liquid chromatography/gas chromatography with flame ionization detection discriminates between paraffin waxes and oils in food contact materials, food simulants, and certain simple foods; a Fourier transform infrared spectrophotometric qualitative method also discriminates between waxes and oils, but is usually restricted to food contact materials that do not contain polyolefins and to migration experiments with organic solvents as fatty food simulants (with some other fatty food simulants, paraffin type must then be identified in the food contact material).


Molecules ◽  
2021 ◽  
Vol 26 (2) ◽  
pp. 509
Author(s):  
Friederike Kühne ◽  
Maurus Biedermann ◽  
Angela Eicher ◽  
Florian Felder ◽  
Stefan Sander ◽  
...  

Elastomers are not a uniform class of materials but comprise a broad spectrum of chemically different polymers. Sealing gaskets, gloves, teats, conveyor belts and tubing are examples of elastomers being used as food contact materials (FCMs). Ten elastomer samples were evaluated with respect to the content of extractable compounds, migration of substances into ethanolic food simulants, swelling in food simulants and release of elements in different food simulants. The number of extractable substances <1000 Da was determined by comprehensive two-dimensional gas chromatography coupled with flame ionisation detection (GC × GC–FID) analysis of tetrahydrofuran (THF) extracts. The number of signals ranged from 61 (a thermoplastic elastomer (TPE)) to 690 (a natural rubber/styrene-butadiene-rubber blend (NR/SBR)). As for risk assessment, the decisive factor is which substances reach the food. The extent of substances that migrate into ethanolic food simulants was investigated. Elastomer FCMs can be the source of food contamination with heavy metals. Notably, contamination with lead was detected in some samples investigated in this study. It was shown that food simulants harbour the potential to morphologically alter or even disintegrate elastomeric materials. The results presented here highlight the importance to carefully choose the elastomer type for the intended use as FCMs as not every application may prove safe for consumers.


2018 ◽  
Vol 35 (4) ◽  
pp. 793-806 ◽  
Author(s):  
Friederike Kühne ◽  
Oliver Kappenstein ◽  
Samira Straβgütl ◽  
Florian Weese ◽  
Jürgen Weyer ◽  
...  

1992 ◽  
Vol 9 (2) ◽  
pp. 137-148 ◽  
Author(s):  
A. Baner ◽  
W. Bieber ◽  
K. Figge ◽  
R. Franz ◽  
O. Piringer

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