Artículo
Near-infrared spectroscopy and pattern-recognition processing for classifying wines of two Italian provinces
Autor/es | 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 de publicación | 2014 |
Fecha de depósito | 2016-05-11 |
Publicado en |
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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 ... 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 |
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