Characterisation and quantification of phenolic compounds of extra-virgin olive oils according to their geographical origin by a rapid and resolutive LC-ESI-TOF MS method

Youssef Ouni; Ameni Taamalli; Ana Maria Gómez-Caravaca; Antonio Segura-Carretero; Alberto Fernández-Gutiérrez; Mokhtar Zarrouk

doi:10.1016/j.foodchem.2011.01.068

Characterisation and quantification of phenolic compounds of extra-virgin olive oils according to their geographical origin by a rapid and resolutive LC-ESI-TOF MS method

Food Chem. 2011 Aug 1;127(3):1263-7. doi: 10.1016/j.foodchem.2011.01.068. Epub 2011 Feb 2.

Authors

Youssef Ouni¹, Ameni Taamalli², Ana Maria Gómez-Caravaca³, Antonio Segura-Carretero³, Alberto Fernández-Gutiérrez³, Mokhtar Zarrouk²

Affiliations

¹ Laboratoire Caractérisation et Qualité de l'huile d'Olive, Centre de Biotechnologie de Borj-Cedria, B.P. 901, 2050 Hammam-Lif, Tunisia. Electronic address: ouni_youssef@yahoo.fr.
² Laboratoire Caractérisation et Qualité de l'huile d'Olive, Centre de Biotechnologie de Borj-Cedria, B.P. 901, 2050 Hammam-Lif, Tunisia.
³ Department of Analytical Chemistry, University of Granada , Avda. Fuentenueva s/n, 18071 Granada, Spain.

PMID: 25214124
DOI: 10.1016/j.foodchem.2011.01.068

Abstract

The phenolic compounds present in seven samples of olive fruits were analysed by a rapid and resolutive LC-ESI-TOF MS method. All samples were collected during the normal picking period for olive oil production, in central and south Tunisia, and were obtained from the Oueslati variety cultivated in different olive growing areas. In the Tunisian samples, 22 compounds have been characterised by LC-ESI-TOF MS analysis. Results showed no qualitative differences in the phenolic fractions between virgin olive oils from different geographical region. However, significant quantitative differences were observed in a wide number of phenolic compounds. These results permit to use the phenolic fractions as an indicator of each region.

Keywords: Geographical area; Mass spectrometry; Olive oil; Phenolic compounds; Rapid resolution liquid chromatography.