Title Comprehensive 3-Year Study of the Phenolic Profile of Moroccan Monovarietal Virgin Olive Oils from the Meknes Region
Authors Bajoub, Aadil , HURTADO FERNÁNDEZ, ELENA, Ajal, El Amine , Ouazzani, Noureddine , Fernandez-Gutierrez, Alberto , Carrasco-Pancorbo, Alegria
External publication Si
Means J Agric Food Chem
Scope Article
Nature Científica
JCR Quartile 1
SJR Quartile 1
JCR Impact 2.85700
SJR Impact 1.22400
Publication date 06/05/2015
ISI 000354338700016
DOI 10.1021/jf506097u
Abstract The phenolic fraction of monovarietal virgin olive oils (VOOs) from the main Moroccan cultivar Picholine marocaine (142 samples from three different subareas of the Meknes region) was studied over three consecutive crop seasons (2011, 2012, and 2013) using a powerful LC-MS methodology. First, LC-ESI-TOF MS was used to get a comprehensive characterization of the phenolic fraction; afterward, LC-ESI-IT MS was utilized for further identification (MS/MS experiments) and quantitation purposes. A total of 28 phenolic compounds (and quinic acid) were determined, revealing the complex profile of Meknes VOO, composed, in order of abundance, by secoiridoids, phenolic alcohols, lignans, flavonoids, and phenolic acids. Tukeys test was applied to ascertain possible significant intraregional and/or interannual variations of the phenolic content of the Meknes VOOs under study. Results showed that the content of phenolic compounds was mainly related to the crop season.
Keywords phenolic compounds; virgin olive oil; liquid chromatography-mass spectrometry; Picholine marocaine; interannual and intraregional study
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