Analysis of fresh and aged tea tree essential oils by using GCxGC-qMS

Tranchida, Peter Q, Shellie, Robert A, Purcaro, Giorgia, Conte, Lanfranco S, Dugo, Paola, Dugo, Giovanni and Mondello, Luigi 2010, Analysis of fresh and aged tea tree essential oils by using GCxGC-qMS, Journal of chromatographic science, vol. 48, no. 4, pp. 262-266, doi: 10.1093/chromsci/48.4.262.

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Title Analysis of fresh and aged tea tree essential oils by using GCxGC-qMS
Author(s) Tranchida, Peter Q
Shellie, Robert AORCID iD for Shellie, Robert A orcid.org/0000-0002-8470-0893
Purcaro, Giorgia
Conte, Lanfranco S
Dugo, Paola
Dugo, Giovanni
Mondello, Luigi
Journal name Journal of chromatographic science
Volume number 48
Issue number 4
Start page 262
End page 266
Total pages 5
Publisher Oxford University Press
Place of publication Oxford, Eng.
Publication date 2010-04
ISSN 0021-9665
1945-239X
Keyword(s) Databases, Factual
Gas Chromatography-Mass Spectrometry
Menthol
Oxidation-Reduction
Tea Tree Oil
Time Factors
Science & Technology
Life Sciences & Biomedicine
Physical Sciences
Biochemical Research Methods
Chemistry, Analytical
Biochemistry & Molecular Biology
Chemistry
Summary The present research is focused on the qualitative elucidation of the chemical profile of fresh tea tree essential oil and an oxidized, aged (circa 1984) counterpart by using the most powerful analytical tool available today for volatile analysis, namely comprehensive two-dimensional gas chromatography (GCxGC) in combination with a mass spectrometer (MS). The rapid-scanning quadrupole (q) MS system employed generated a sufficient number of spectra/s (20/s) for the reliable identification of the high-speed GCxGC peaks. The total ion current GCxGC-qMS chromatogram of the fresh product was characterized by the presence of approximately 130 unknowns. Among these, 61 peaks were assigned with spectral similarities > or = 90%, while 28 components presented MS library matches in the 80-89% range. With regards to the oxidized essential oil, about 180 volatiles were visible on the 2D plane with 63 of these characterized by library "hits" > or = 90% and 45 presenting similarities within the 80-89% range. The use of the enhanced-resolution 3D methodology enabled the full separation of the samples analyzed and, hence, a clear distinction between the essential oils.
Language eng
DOI 10.1093/chromsci/48.4.262
Field of Research 0301 Analytical Chemistry
0399 Other Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2010, Oxford University Press
Persistent URL http://hdl.handle.net/10536/DRO/DU:30119516

Document type: Journal Article
Collections: Faculty of Health
School of Exercise and Nutrition Sciences
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