Detailed elucidation of hydrocarbon contamination in food products by using solid-phase extraction and comprehensive gas chromatography with dual detection

Purcaro, Giorgia; Tranchida, P. Q.; Barp, L.; Moret, S.; Conte, L. S.; Mondello, L.

doi:10.1016/j.aca.2013.03.002

Article (Scientific journals)

Detailed elucidation of hydrocarbon contamination in food products by using solid-phase extraction and comprehensive gas chromatography with dual detection

Purcaro, Giorgia; Tranchida, P. Q.; Barp, L. et al.

2013 • In Analytica Chimica Acta, 773, p. 97-104

Peer Reviewed verified by ORBi

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https://hdl.handle.net/2268/231661

DOI
10.1016/j.aca.2013.03.002

PubMed
23561912

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Keywords :

Comprehensive gas chromatography; GC×GC; Mineral oil; Mineral oil aromatic hydrocarbons (MOAH); Mineral oil saturated hydrocarbons (MOSH); Comprehensive two-dimensional gas chromatography; Hydrocarbon contamination; Large volume injection; Mass spectrometric data; Mineral oil saturated hydrocarbon (MOSH); Simultaneous identification; Solid-phase extraction; Food products; Gas chromatography; Mass spectrometers; Mineral oils; Phase separation; Silica; Vegetable oils; Extraction; Chromatography, Gas; Fatty Acids; Food Analysis; Hydrocarbons; Mass Spectrometry; Plant Oils; Silver Nitrate; Solid Phase Extraction

Abstract :

[en] The present work is focused on the development/optimization of a comprehensive two-dimensional gas chromatography method, with dual detection [flame ionization (FID) and mass spectrometric], for the simultaneous identification and quantification of mineral-oil contaminants in a variety of food products. The two main classes of contaminants, namely saturated and aromatic hydrocarbons, were previously fractionated on a manually-packed silver silica solid-phase extraction (SPE) cartridge. The quantitative results were compared with those obtained by performing a large volume injection, in a GC-FID system, after the same SPE process and by an on-line liquid-gas chromatography method, with very similar results observed. The presence of a series of unknown compounds, that appeared when using the off-line methods, was investigated using the mass spectrometric data, and were tentatively-identified as esterified fatty acids, most probably derived from vegetable oil based ink. © 2013 Elsevier B.V.

Disciplines :

Chemistry
Food science

Author, co-author :

Purcaro, Giorgia ; Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Chimie des agro-biosystèmes

Tranchida, P. Q.; Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università degli Studi di Messina, viale Annunziata, 98168 Messina, Italy

Barp, L.; Dipartimento di Scienze degli Alimenti, University of Udine, via Sondrio 2/A, 33100 Udine, Italy

Moret, S.; Dipartimento di Scienze degli Alimenti, University of Udine, via Sondrio 2/A, 33100 Udine, Italy

Conte, L. S.; Dipartimento di Scienze degli Alimenti, University of Udine, via Sondrio 2/A, 33100 Udine, Italy

Mondello, L.; Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università degli Studi di Messina, viale Annunziata, 98168 Messina, Italy, Centro Integrato di Ricerca (C.I.R.), Università Campus-Biomedico, Via Álvaro del Portillo, 21, 00128 Roma, Italy

Language :

English

Title :

Detailed elucidation of hydrocarbon contamination in food products by using solid-phase extraction and comprehensive gas chromatography with dual detection

Publication date :

2013

Journal title :

Analytica Chimica Acta

ISSN :

0003-2670

eISSN :

1873-4324

Publisher :

Elsevier, Netherlands

Volume :

773

Pages :

97-104

Peer reviewed :

Peer Reviewed verified by ORBi

Funders :

MIUR - Ministero dell'Istruzione, dell'Università e della Ricerca

Available on ORBi :

since 17 January 2019

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