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Safe and Fast Fingerprint Aroma Detection in Adulterated Extra Virgin Olive Oil Using Gas Chromatography–Olfactometry‑Mass Spectrometry Combined with Chemometrics
dc.contributor.author | drira, malika | |
dc.contributor.author | Guclu, Gamze | |
dc.contributor.author | Portoles, Tania | |
dc.contributor.author | Jabeur, Hazem | |
dc.contributor.author | Kelebek, Hasim | |
dc.contributor.author | selli, serkan | |
dc.contributor.author | Bouaziz, Mohamed Ali | |
dc.date.accessioned | 2021-07-09T07:16:25Z | |
dc.date.available | 2021-07-09T07:16:25Z | |
dc.date.issued | 2021-05-06 | |
dc.identifier.citation | Drira, M., Guclu, G., Portolés, T. et al. Safe and Fast Fingerprint Aroma Detection in Adulterated Extra Virgin Olive Oil Using Gas Chromatography–Olfactometry-Mass Spectrometry Combined with Chemometrics. Food Anal. Methods (2021). https://doi.org/10.1007/s12161-021-02034-z | ca_CA |
dc.identifier.issn | 1936-9751 | |
dc.identifier.uri | http://hdl.handle.net/10234/193772 | |
dc.description.abstract | The undeclared blending of extra virgin olive oils (EVOOs) with refned pomace olive oils (RPOO) is a well-known fraudulent practice. Despite the eforts made, it still remains a highly challenging authenticity issue to deal with. The present paper presents a fast fngerprint aroma technique, namely gas chromatography–olfactometry-mass spectrometry, which were tested as rapid screening tools for the detection of this adulteration.To overcome the lack of real adulterated samples was used to prepare EVOO mixtures with RPOO at diferent percentages. Besides, the quality indices was used as good markers to detect the illicit blends from the authentic oils such as K232 with 4% RPOO, K270 with 3% RPOO, and the variation of specifc extinction (ΔK) of the adulterated EVOO with 10% RPOO. The addition of>20% RPOO to EVOO would not be detected by the amount of TC18:1, fatty acids, and peroxide value. Moreover, using the sum of octadecadienoic and octadecatrienoic TFA isomers (TC18:2+TC18:3) was confrmed to be good purity indices for the adulteration with 10 and 20% of RPOO. However, the main triglyceride found in oils samples were SOL+POO, OOL+LnPP, and OOO+PoPP as expected from the high oleic acid and low contents in linoleic and linoleic acid. Regarding volatile composition, thirty-four relevant aroma compounds and twenty-one key odorants were quantifed in EVOO, RPOO, and EVOO adulterated with 1–20% of RPOO. | ca_CA |
dc.format.extent | 15 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Springer | ca_CA |
dc.relation.isPartOf | Food Analytical Methods (2021) | ca_CA |
dc.rights | (c) The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2021 | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/InC/1.0/ | ca_CA |
dc.subject | extra virgin olive oil | ca_CA |
dc.subject | authenticity | ca_CA |
dc.subject | quality | ca_CA |
dc.subject | fingerprint | ca_CA |
dc.subject | GC–Olfactometry-MS | ca_CA |
dc.subject | AEDA | ca_CA |
dc.title | Safe and Fast Fingerprint Aroma Detection in Adulterated Extra Virgin Olive Oil Using Gas Chromatography–Olfactometry‑Mass Spectrometry Combined with Chemometrics | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | https://doi.org/10.1007/s12161-021-02034-z | |
dc.rights.accessRights | info:eu-repo/semantics/restrictedAccess | ca_CA |
dc.type.version | info:eu-repo/semantics/publishedVersion | ca_CA |
project.funder.name | Ministère de l’Enseingement Supérieur et de la Recherche Scientifique, Tunisia | ca_CA |
oaire.awardNumber | LR14ES08 | ca_CA |
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