Varietal authentication of virgin olive oil: Proving the efficiency of sesquiterpene fingerprinting for Mediterranean Arbequina oils
Visualitza/Obre
Autor/a
Torres-Cobos, Berta
Quintanilla-Casas, Beatriz
Romero, Agustí
Alonso-Salces, Rosa M.
Gallina-Toschi, Tullia
Bendini, Alessandra
Guardiola, Francesc
Tres, Alba
Vichi, Stefania
Data de publicació
2021-04-28ISSN
0956-7135
Resum
Virgin olive oil (VOO) is a highly appreciated product fundamental in the Mediterranean diet. Since its sensory attributes are greatly influenced by the olive cultivar, the varietal authentication of VOOs is needed to protect consumers from misleading information. The present study aims to evaluate the suitability of sesquiterpene hydrocarbon (SH) fingerprint as VOO cultivar marker beyond geographical, agronomical and processing con ditions. The study was mainly focused on Mediterranean Arbequina oils. SH profile of more than 400 VOOs from 6 counties and 38 different cultivars and coupages was analysed by Headspace Solid Phase Microextraction-Gas Chromatography-Mass Spectrometry (HS-SPME-GC-MS). Partial Least Square-Discriminant Analysis (PLS-DA) classification models were built with the aligned chromatograms. A binary PLS-DA model was built to distinguish ‘Arbequina’ oils from those of other cultivars (non-‘Arbequina’ class) and it was externally validated. The results of the external validation showed a 95.1% of overall correct classification confirming the suitability of SH fingerprint as a screening method for the authentication of Arbequina VOO. Also, the discrimination capacity of SH fingerprinting to authenticate VOOs from other cultivars was preliminary explored and promising results were obtained.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
663/664 - Aliments i nutrició. Enologia. Olis. Greixos
Pàgines
8
Publicat per
Elsevier
Publicat a
Food Control
Citació
Torres-Cobos, Berta, Beatriz Quintanilla-Casas, Agustí Romero, Antonia Ninot, Rosa M. Alonso-Salces, Tullia Gallina Toschi, Alessandra Bendini, Francesc Guardiola, Alba Tres, and Stefania Vichi. 2021. "Varietal Authentication Of Virgin Olive Oil: Proving The Efficiency Of Sesquiterpene Fingerprinting For Mediterranean Arbequina Oils". Food Control 128: 108200. doi:10.1016/j.foodcont.2021.108200.
Número de l'acord de la subvenció
EC/H2020/635690/EU/Advanced solutions for assuring the overall authenticity and quality of olive oil/OLEUM
Programa
Fructicultura
Aquest element apareix en la col·lecció o col·leccions següent(s)
- ARTICLES CIENTÍFICS [2811]
Excepte que s'indiqui una altra cosa, la llicència de l'ítem es descriu com http://creativecommons.org/licenses/by-nc-nd/4.0/