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Substitution of carcinogenic solvent dichloromethane for the extraction of volatile compounds in a fat-free model food system

Abstract : Dichloromethane is known as a very efficient solvent, but, as other halogenated solvents, is recognized as a hazardous product (CMR substance). The objective of the present work is to propose substitution solvent for the extraction of volatile compounds. The most important physico-chemical parameters in the choice of an appropriate extraction solvent of volatile compounds are reviewed. Various solvents are selected on this basis and on their hazard characteristics. The selected solvents, safer than dichloromethane, are compared using the extraction efficiency of volatile compounds from a model food product able to interact with volatile compounds. Volatile compounds with different hydrophobicity are used. High extraction yields were positively correlated with high boiling points and high Log Row values of volatile compounds. Mixtures of solvents such as azeotrope propan-2-one/cyclopentane, azeotrope ethyl acetate/ethanol, and mixture ethyl acetate/ethanol (3:1, v/v) gave higher extraction yields than those obtained with dichloromethane.
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01483698
Contributeur : Pam - Université de Bourgogne <>
Soumis le : lundi 6 mars 2017 - 12:19:15
Dernière modification le : mardi 16 juin 2020 - 11:36:02

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Nathalie Cayot, Céline Lafarge, Elias Bou-Maroun, Philippe Cayot. Substitution of carcinogenic solvent dichloromethane for the extraction of volatile compounds in a fat-free model food system. Journal of Chromatography A, Elsevier, 2016, 1456, pp.77 - 88. ⟨10.1016/j.chroma.2016.06.015⟩. ⟨hal-01483698⟩

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