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Updated: Jul 5, 2026

Chromatographic Fingerprinting by Template Matching for Data Collected by Comprehensive Two-Dimensional Gas Chromatography
Published on: September 2, 2020
Elucidation of fatty acid profiles in vegetable oils exploiting group-type patterning and enhanced sensitivity of
Peter Quinto Tranchida1, Agostino Giannino, Monica Mondello
1Dipartimento Farmaco-Chimico, Facoltà di Farmacia, Università di Messina, Messina, Italy. Fax: +39-090-676-6532.
Abstract:
The present research is focused on the use of comprehensive 2-D GC (GCxGC) for the thorough elucidation of fatty acid (FA) profiles contained in vegetable oils; the samples analysed consisted of extra-virgin olive oil and refined hazelnut oil. The enhanced sensitivity and the formation of group-type patterns provided by GCxGC enabled the identification and quantification of both well-known and rather unexpected FAs contained in the lipid matrices. Peak assignment was, in most cases, supported by using pure standard compounds. Of particular interest was the identification of a series of odd-numbered FAs in both samples. The results attained to demonstrate the usefulness of GCxGC also for the analysis of supposedly low-complex samples.
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