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Near-infrared spectroscopy and pattern-recognition processing for classifying wines of two Italian provinces

Opened Access Near-infrared spectroscopy and pattern-recognition processing for classifying wines of two Italian provinces

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Autor: Mignani, Anna Grazia
Ciaccheri, Leonardo
Gordillo Arrobas, Belén
Mencaglia, Andrea Azelio
González-Miret Martín, María Lourdes
Heredia Mira, Francisco José
Cichelli, Angelo
Departamento: Universidad de Sevilla. Departamento de Nutrición y Bromatología, Toxicología y Medicina Legal
Fecha: 2014
Publicado en: Proceedings of SPIE - The International Society for Optical Engineering, 9106, 91060G
Tipo de documento: Artículo
Resumen: This paper presents an experiment making use of the near-infrared spectrum for distinguishing the wines produced in two close provinces of Abruzzo region of Italy. A collection of 32 wines was considered, 18 of which were produced in the province of Chieti, while the other 14 were from the province of Teramo. A conventional dual-beam spectrophotometer was used for absorption measurements in the 1300-1900 nm spectroscopic range. Principal Component Analysis was used for explorative analysis. Score maps in the PC1-PC2 or PC2-PC3 spaces were obtained, which successfully grouped the wine samples in two distinct clusters, corresponding to Chieti and Teramo provinces, respectively. A modelling of dual-band spectroscopy was also proposed, making use of two LEDs for illumination and a PIN detector instead of the spectrometer. These data were processed using Linear Discriminant Analysis which demonstrated satisfactory classification results
Tamaño: 408.2Kb
Formato: PDF

URI: http://hdl.handle.net/11441/41054

DOI: http://dx.doi.org/10.1117/12.2051914

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