Early detection of microbial contamination in processed tomatoes by electronic nose (Articolo in rivista)

Type
Label
  • Early detection of microbial contamination in processed tomatoes by electronic nose (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Alternative label
  • Concina I. (a)(b); M. Falasconi (b); E. Gobbi (c)(d); Bianchi, F. (e); Musci, M. (e); Mattarozzi, M. (e); Pardo, M. (b); Mangia, A. (e); Careri, M. (e); Sberveglieri, G. (b) (2009)
    Early detection of microbial contamination in processed tomatoes by electronic nose
    in Food control
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Concina I. (a)(b); M. Falasconi (b); E. Gobbi (c)(d); Bianchi, F. (e); Musci, M. (e); Mattarozzi, M. (e); Pardo, M. (b); Mangia, A. (e); Careri, M. (e); Sberveglieri, G. (b) (literal)
Pagina inizio
  • 873 (literal)
Pagina fine
  • 880 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 20 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • (a) CNR-Istituto di Biofisica, Via La Malfa, 153, 90146 Palermo, Italy (b) SENSOR Laboratory, CNR-INFM, Dipartimento di Chimica e Fisica per l'Ingegneria e per i Materiali, Via Valotti, 9, 25133 Brescia, Italy (c) DBADP, Università di Udine, Via Scienze, 208, 33100 Udine, Italy (d) Biodiversity s.p.a., Via Corfù, 71, 25124 Brescia, Italy (e) Dipartimento di Chimica Generale ed Inorganica, Chimica Analitica, Chimica Fisica, Viale Usberti 17 /A, 43100 Parma, Italy (literal)
Titolo
  • Early detection of microbial contamination in processed tomatoes by electronic nose (literal)
Abstract
  • Microbial contamination can easily affect processed tomato, thus determining both organoleptic adulterations and potential health risks for customers. Innovative techniques for a rapid and reliable diagnose of spoilage, such as electronic nose technology, are highly requested in order to guarantee food safety and to improve production. In this work canned peeled tomatoes were artificially spoiled with different kinds of microbial flora and then were analyzed by means of an electronic nose based on thin film metal oxide gas sensors. Preliminary analyses by dynamic-headspace gas chromatographic–mass spectrometry showed significant differences in the semi-quantitative volatile compounds profile of spoiled tomato samples just after few hours from contamination, thus suggesting to employ the electronic nose for an early diagnose of microbial presence. The electronic nose was indeed able to reveal contamination, even at early stages depending on the type of contaminant (e.g. for Saccharomyces cerevisiae and Escherichia coli), and to recognize spoiled tomato samples with good classification performances. (literal)
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