Poster (Scientific congresses and symposiums)
A comparative study on the effect of vacuum on HS-SPME of olive oil volatiles
Mascrez, Steven; Psillakis, Elia; Purcaro, Giorgia
2019The 43th International Symposium on Capillary Chromatography (ISCC) & The 16th GC×GC Symposium
Peer reviewed
 

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Keywords :
SPME; volatiles; GC-MS
Abstract :
[en] Solid-phase microextraction (SPME) is a simple, effective and selective technique for the analysis of volatiles and semi-volatiles compounds. However, frequently a long time is requested to reach the equilibrium condition to maximize the extraction efficiency, thus pre-equilibrium conditions are preferred as a compromise in term of throughput and sensitivity. Beside other strategy to improve the kinetic extraction, vacuum has been recently successfully proposed with the main advantages to speed up the extraction without increasing the temperature and thus preserving the sample profile. In this work Vacuum-SPME has been investigated for the first time for the analysis of a fat matrix, namely olive oil, for the determination of its aroma profile. Gas chromatography coupled to a single quadrupole mass spectrometry was used for the final determination. A three variables (k= 3; temperature, extraction time and sample mass) inscribed rotatable central composite experimental design was used to optimize the sampling conditions. A series of compounds, covering the entire range of volatility and a wide chemical structure, were selected to compare atmospheric and under vacuum conditions.
Disciplines :
Chemistry
Author, co-author :
Mascrez, Steven ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Chimie des agro-biosystèmes
Psillakis, Elia;  School of Environmental Engineering, Technical University of Crete, Chania, Grece
Purcaro, Giorgia  ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Chimie des agro-biosystèmes
Language :
English
Title :
A comparative study on the effect of vacuum on HS-SPME of olive oil volatiles
Publication date :
May 2019
Event name :
The 43th International Symposium on Capillary Chromatography (ISCC) & The 16th GC×GC Symposium
Event organizer :
Kevin Schug, University of Arlington Texas
Event place :
Fort Worth, Texas, United States
Event date :
from 13-05-2019 to 17-05-2019
Audience :
International
Peer reviewed :
Peer reviewed
Available on ORBi :
since 23 May 2019

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