Comparative analysis of quality parameters of Italian extra virgin olive oils according to their region of origin
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AuthorMignani, Anna Grazia; García Allende, Pilar Beatriz; Ciaccheri, Leonardo; Conde Portilla, Olga María; Cimato, Antonio; Attilio, Cristina; Tura, Debora
© 2008 Society of Photo-Optical Instrumentation Engineers. One print or electronic copy may be made for personal use only. Systematic electronic or print reproduction and distribution, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Proceedings of SPIE, 2008, vol. 7003, 700326
Optical Sensors, Estrasburgo, 2008
SPIE Society of Photo-Optical Instrumentation Engineers
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Extra virgin olive oils
UV-VIS-NIR absorption spectroscopy
Multivariate data processing
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 quality indicators. A classification map was created which was able to group the 80 oils on the basis of their region of origin. Furthermore, a model for the prediction of quality parameters such as oleic acidity, peroxide number, K232, K270 and Delta K, was developed.
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