Application of a lab-made electronic nose for extra virgin olive oils commercial classification according to the perceived fruitiness intensity

Italian National Database of Monovarietal Extra Virgin Olive Oils

Factors that influence color degradation in extra virgin olive oils

In the last twenty years the consumption of olive oil has gone from being located in the Mediterranean Area to expanding around the world and considering today the olive oil as a product of global consumption . Doubtless, one of the pillars that has allowed the rapid expansion of its consumption is its rich composition in polyphenols, sterols and antioxidants that confer numerous benefits for h...

Comparative analysis of quality parameters of Italian extra virgin olive oils according to their region of origin

Italian extra virgin olive oils from four regions covering different latitudes of the country were considered. They were analyzed by means of absorption spectroscopy in the wide 200-2800 nm spectral range, and multivariate data processing was applied. These spectra were virtually a signature identification from which to extract information on the region of origin and on the most important quali...

Single-cultivar extra virgin olive oil classification using a potentiometric electronic tongue.

Label authentication of monovarietal extra virgin olive oils is of great importance. A novel approach based on a potentiometric electronic tongue is proposed to classify oils obtained from single olive cultivars (Portuguese cvs. Cobrançosa, Madural, Verdeal Transmontana; Spanish cvs. Arbequina, Hojiblanca, Picual). A meta-heuristic simulated annealing algorithm was applied to select the most in...

Chemical composition of virgin olive oils according to the ripening in olives.

The aim of this study was the classification of olive oil according to the stage of ripeness of the olives used for its manufacture. A discriminant analysis was applied taking as dependent variables the fatty acids, triglycerides and sterols profile. The evolution of parameters of quality of the oils during ripening of the fruit has also been studied in three successive crops. The results of th...