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Review Article

Separation of Enantiomers Using Gas Chromatography: Application in Forensic Toxicology, Food and Environmental Analysis

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Pages 787-811 | Published online: 18 Jun 2020
 

Abstract

Analytical methodologies to accurate quantify enantiomers are nowadays imperative in different areas such as pharmaceutical, agrochemicals, forensic toxicology, food and environmental analysis, among others. This review aims to discuss the use of gas chromatography (GC) methods as a tool for enantiomeric separations. The separation of enantiomers by GC methodologies has been performed using both direct and indirect methods, nevertheless, the selected methodology depends not only on the physical chemical properties of the target compounds but also on the field of application. Indeed, enantiomeric separation by GC in the forensic toxicology field was frequently performed using indirect methods for pharmaceuticals and illicit drugs, while direct methods have been reported as the preferable choice for pesticides and polychlorinated biphenyl compounds. Concerning food analysis chiral separation have been mainly carried out by direct methods while for environmental analysis, both direct and indirect methods have been reported, depending on the class of compounds studied. This manuscript compiles analytical methods of enantioseparation by GC, both direct and indirect methods, and its applicability in forensic toxicology, food and environmental analysis.

Additional information

Funding

This work was financially supported by CESPU through the project BIOENVIROM-CESPU-2018 and MYCOBIOENV-PFT-IINFACTS-2019 and supported by the Strategic Funding UID/Multi/04423/2019 through national funds provided by FCT—Foundation for Science and Technology and European Regional Development Fund (ERDF), through the COMPETE – Programa Operacional Factores de Competitividade (POFC) program in the framework of the program PT2020.

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