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Molecules 2013, 18(2), 1783-1797; doi:10.3390/molecules18021783

Improvement of Ylang-Ylang Essential Oil Characterization by GC×GC-TOFMS

1
Chemistry Department—CART, Organic and Biological Analytical Chemistry, University of Liège, Allée du 6 Août B6c, Liège B-4000, Belgium
2
Plant Biology Unit, Gembloux Agro-Bio Tech, University of Liège, Passage des Déportés 2, Gembloux B-5030, Belgium
3
Analytical Chemistry Laboratory-CART, Gembloux Agro-Bio Tech, University of Liège, Passage des des Déportés 2, Gembloux B-5030, Belgium
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 11 December 2012 / Revised: 24 January 2013 / Accepted: 25 January 2013 / Published: 30 January 2013
(This article belongs to the Section Natural Products)
Download PDF [689 KB, 18 June 2014; original version 18 June 2014]   |  

Abstract

A single fraction of essential oil can often contain hundreds of compounds. Despite of the technical improvements and the enhanced selectivity currently offered by the state-of-the-art gas chromatography (GC) and mass spectrometry (MS) instruments, the complexity of essential oils is frequently underestimated. Comprehensive two-dimensional GC coupled to time-of-flight MS (GC×GC-TOFMS) was used to improve the chemical characterization of ylang-ylang essential oil fractions recently reported in a previous one-dimensional (1D) GC study. Based on both, the enhanced chromatographic separation and the mass spectral deconvolution, 161 individual compounds were identified and labeled as potentially characteristic analytes found in both low and high boiling fractions issued from distillation of mature ylang-ylang flowers. Compared to the most recent full GC-MS characterization, this represents 75 new compounds, essentially consisting of terpenes, terpenoid esters, and alcohols.
Keywords: ylang-ylang; Cananga odorata; essential oil; comprehensive two-dimensional gas chromatography (GC×GC); time-of-flight mass spectrometry (TOFMS) ylang-ylang; Cananga odorata; essential oil; comprehensive two-dimensional gas chromatography (GC×GC); time-of-flight mass spectrometry (TOFMS)
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Brokl, M.; Fauconnier, M.-L.; Benini, C.; Lognay, G.; Jardin, P.D.; Focant, J.-F. Improvement of Ylang-Ylang Essential Oil Characterization by GC×GC-TOFMS. Molecules 2013, 18, 1783-1797.

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