
This study explores the potential of an innovative multi-cumulative trapping headspace solid-phase microextraction approach coupled with untargeted data analysis to enhance the information provided by aroma profiling of virgin olive oil. Sixty-nine samples of different olive oil commercial categories (extra-virgin, virgin and lampante oil) and different geographical origins were analysed using this novel workflow. The results from each sample were aligned and compared using for the first time a tile-based approach to enable the mining of all of the raw data within the chemometrics platform without any pre-processing methods. The data matrix obtained allowed the extraction of multiple-level information from the volatile profile of the samples. Not only was it possible to classify the samples within the commercial category that they belonged to, but the same data also provided interesting information regarding the geographical origin of the extra-virgin olive oil.
Olive Oil/chemistry, Gas Chromatography-Mass Spectrometry/methods, Physique, chimie, mathématiques & sciences de la terre, Odorants/analysis, Multiple-cumulative trapping headspace solid-phase microextraction, Gas Chromatography-Mass Spectrometry, Analytical Chemistry, Food science, Physical, chemical, mathematical & earth Sciences, Sciences des denrées alimentaires, Authenticity; MC-SPME; Multiple-cumulative trapping headspace solid-phase microextraction; Olive oil; Quality; Random forest; Sensory evaluation, Virgin olive oil, Chimie, Volatile Organic Compounds/analysis, Geographical origins, Olive Oil, Solid Phase Microextraction/methods, Solid Phase Microextraction, Gaschromatography-mass spectrometry, Sensory evaluation, Volatile Organic Compounds, MC-SPME, General Medicine, Random forests, Quality, Life sciences, Authenticity, Chemistry, Head-space solid-phase microextraction, Odorants, Solid-phase microextraction, Sciences du vivant, Olive oil, Random forest, Headspace solid phase microextraction, Food Science
Olive Oil/chemistry, Gas Chromatography-Mass Spectrometry/methods, Physique, chimie, mathématiques & sciences de la terre, Odorants/analysis, Multiple-cumulative trapping headspace solid-phase microextraction, Gas Chromatography-Mass Spectrometry, Analytical Chemistry, Food science, Physical, chemical, mathematical & earth Sciences, Sciences des denrées alimentaires, Authenticity; MC-SPME; Multiple-cumulative trapping headspace solid-phase microextraction; Olive oil; Quality; Random forest; Sensory evaluation, Virgin olive oil, Chimie, Volatile Organic Compounds/analysis, Geographical origins, Olive Oil, Solid Phase Microextraction/methods, Solid Phase Microextraction, Gaschromatography-mass spectrometry, Sensory evaluation, Volatile Organic Compounds, MC-SPME, General Medicine, Random forests, Quality, Life sciences, Authenticity, Chemistry, Head-space solid-phase microextraction, Odorants, Solid-phase microextraction, Sciences du vivant, Olive oil, Random forest, Headspace solid phase microextraction, Food Science
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