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J Chromatogr B Analyt Technol Biomed Life Sci


Title:Comparison and characterization of volatile compounds as markers of oils stability during frying by HS-SPME-GC/MS and Chemometric analysis
Author(s):Ben Hammouda I; Freitas F; Ammar S; Da Silva M; Bouaziz M;
Address:"Laboratoire d'Electrochimie et Environnement, Ecole Nationale d'Ingenieurs de Sfax, Universite de Sfax, B.P. 1173, 3038, Sfax, Tunisia. LAQV, REQUIMTE, Departamento de Quimica, Faculdade de Ciencias e Tecnologia, UniversidadeNova de Lisboa, 2829-516, Caparica, Portugal. Laboratoire d'Electrochimie et Environnement, Ecole Nationale d'Ingenieurs de Sfax, Universite de Sfax, B.P. 1173, 3038, Sfax, Tunisia; Institut Superieur de Biotechnologie de Sfax, Universite de Sfax, B.P. 1175, 3038, Sfax, Tunisia. Electronic address: mohamed.bouaziz@fsg.rnu.tn"
Journal Title:J Chromatogr B Analyt Technol Biomed Life Sci
Year:2017
Volume:20171102
Issue:
Page Number:322 - 334
DOI: 10.1016/j.jchromb.2017.10.063
ISSN/ISBN:1873-376X (Electronic) 1570-0232 (Linking)
Abstract:"The formation and emission of volatile compounds, including the aldehydes and some toxic compounds of oil samples, ROPO pure (100%) and the blended ROPO/RCO (80-20%), were carried out during deep frying at 180 degrees C. The volatile profile of both oil samples was evaluated by an optimized HS-SPME-GC/MS method, before and after 20, 40 and 60 successive sessions of deep-frying. Actually, from 100 detected compounds, aldehydes were found to be the main group formed. In addition, the oil degradation under thermal treatment regarding the volatile compounds were evaluated and compared. Consequently, the blended ROPO/RCO revealed fewer formations of unsaturated aldehydes, including toxic ones, such as acrolein, and showed a greater stability against oxidative thermal degradation compared to ROPO pure"
Keywords:Acrolein/analysis Aldehydes/analysis Biomarkers/analysis *Cooking Gas Chromatography-Mass Spectrometry/*methods Olive Oil/*chemistry Palm Oil/*chemistry Solid Phase Microextraction/*methods Volatile Organic Compounds/*analysis Acrolein Aldehydes Deep fryi;
Notes:"MedlineBen Hammouda, Ibtissem Freitas, Flavia Ammar, Sonda Da Silva, M D R Gomes Bouaziz, Mohamed eng Netherlands 2017/11/13 J Chromatogr B Analyt Technol Biomed Life Sci. 2017 Nov 15; 1068-1069:322-334. doi: 10.1016/j.jchromb.2017.10.063. Epub 2017 Nov 2"

 
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