Differentiation of products derived from Iberian breed swine by electronic olfactometry (electronic nose)

The aim of the present work was to differentiate products derived from Iberian breed swine, using chemometric analysis of the data obtained from an array of gas sensors. A commercial Electronic Nose (FOX 2000) comprising six metal oxide semiconductor sensors was used to generate a pattern of volatil...

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Bibliographic Details
Published in:Analytica chimica acta 2000-12, Vol.424 (2), p.279-287
Main Authors: González-Martı́n, Inmaculada, Pérez-Pavón, José Luis, González-Pérez, Claudio, Hernández-Méndez, Jesús, Álvarez-Garcı́a, Noelia
Format: Article
Language:English
Subjects:
Biological and medical sciences
Differentiation
Electronic olfactometry
Food industries
Fundamental and applied biological sciences. Psychology
Iberian breed swine
Meat and meat product industries
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Summary:The aim of the present work was to differentiate products derived from Iberian breed swine, using chemometric analysis of the data obtained from an array of gas sensors. A commercial Electronic Nose (FOX 2000) comprising six metal oxide semiconductor sensors was used to generate a pattern of volatile compounds present in the samples. Linear discriminant analysis (LDA) and independent class modelling, i.e. soft independent modelling of class analogy (SIMCA) were applied to the patterns generated to achieve several classification tasks. The procedure for obtaining the signals and the chemometric treatment are rapid and simple, allowing the classification of products derived from Iberian swine according to the type of feeding regimen they have been subject to (feed, feed+acorn, acorns alone) using samples of subcutaneous adipose tissue.
ISSN:0003-2670
1873-4324
DOI:10.1016/S0003-2670(00)01106-5