Characterisation of minor components in vegetable oil by comprehensive gas chromatography with dual detection

Authentication; Multidimensional comprehensive gas chromatography (GC × GC); Sterols; Vegetable oils minor compounds; Waxes; Alcohols; Chromatographic analysis; Fatty acids; Gas oils; Lipids; Olive oil; Palm oil; Sunflower oil; Analytical determination; Chemical fingerprint; Chromatographic systems; Extra virgin olive oil; Flame ionisation detector; Minor compounds; Preparation technique; Gas chromatography; Article; Chromatography, Gas; Flame Ionization; Mass Spectrometry; Plant Oils

Abstract :

[en] The profile of minor compounds, such as alcohols, sterols, free and alkyl fatty acids, waxes, etc., was investigated in different vegetable oils by a comprehensive gas chromatographic system, coupled with a simultaneous dual detection (flame ionisation detector and mass spectrometer) for quantitative and qualitative purposes. Such a system generated a unique two-dimensional chromatogram to be used as a chemical fingerprint. Multi-level information, due not only to a more “comprehensive” preparation technique, but also thanks to the exploitation of a more powerful and sensitive analytical determination allowed the extrapolation of diagnostic information from the minor components profile of different vegetable oils, along with their characteristic profile. Furthermore, an admixture of an extra virgin olive oil with a low amount of sunflower and palm oils was evaluated, attesting to the powerful diagnostic information provided by the proposed approach. © 2016 Elsevier Ltd

Disciplines :

Chemistry
Food science

Author, co-author :

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

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

Beccaria, M.; Dipartimento di Scienze del Farmaco e dei Prodotti per la Salute (SCIFAR), University of Messina, Viale Annunziata, Messina, 98168, Italy

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

Language :

English

Title :

Characterisation of minor components in vegetable oil by comprehensive gas chromatography with dual detection

Publication date :

2016

Journal title :

Food Chemistry

ISSN :

0308-8146

eISSN :

1873-7072

Publisher :

Elsevier Ltd

Volume :

212

Pages :

730-738

Peer reviewed :

Peer Reviewed verified by ORBi

Available on ORBi :

since 17 January 2019

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