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An electronic tongue for honey classification

2008Journal article Open access
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dc.contributor.authorDias, L.G.
dc.contributor.authorPeres, António M.
dc.contributor.authorVilas-Boas, Miguel
dc.contributor.authorRocha, Maria A.
dc.contributor.authorEstevinho, Leticia M.
dc.contributor.authorMachado, Adélio A.S.C.
dc.date.accessioned2009-02-05T15:04:24Z
dc.date.available2009-02-05T15:04:24Z
dc.date.issued2008
dc.description.abstractAn electronic tongue system was developed based on 20 all-solid-state potentiometric sensors and chemometric data processing, with polymeric membranes applied on solid conducting silver-epoxy supports and a Ag=AgCl reference electrode. The sensor array was applied to 52 commercial honey samples obtained randomly from different regions of Portugal. These samples were analysed independently for their pollen profiles by biological techniques and the data collected with the tongue were evaluated for discrimination of the samples with multivariate statistical methods (principal component analysis and linear discriminant analysis), to investigate whether the device may provide an analytical alternative for classification of honey samples with respect to pollen type, a task which is time consuming and requires skilled labour when performed by biological techniques. It was found that the tongue has a reasonable efficiency for classification of honey samples of the most common three types (with Erica, Echium and Lavandula as predominant pollens). With linear discriminant analysis, the honey samples yielded about 84% classification accuracy and 72% for crossed validation. In this study, the honey samples correctly classified for the different types of the dominant pollen were: 53% for Lavandula, 83% for Erica and 78% for Echium pollen.en
dc.identifier.citationDias, L.G.; Peres, A.M.; Vilas-Boas, Miguel; Rocha, Maria A.; Estevinho, Letícia M.; Machado, A.A.S.C. (2008) – An electronic tongue for honey classification. Microchimica Acta. ISSN 0026-3672. 163:1-2, p. 97–102en
dc.identifier.doi10.1007/s00604-007-0923-8
dc.identifier.issn0026-3672
dc.identifier.urihttp://hdl.handle.net/10198/1027
dc.language.isoengen
dc.publisherSpringeren
dc.subjectHoneyen
dc.subjectPollenen
dc.subjectElectronic tongueen
dc.subjectMultivariate analysisen
dc.titleAn electronic tongue for honey classificationen
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POCI/POCI%2FQUI%2F58076%2F2004/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PPCDT%2FQUI%2F58076%2F2004/PT
oaire.fundingStreamPOCI
oaire.fundingStream3599-PPCDT
person.familyNameDias
person.familyNamePeres
person.familyNameVilas-Boas
person.familyNameEstevinho
person.givenNameLuís G.
person.givenNameAntónio M.
person.givenNameMiguel
person.givenNameLetícia M.
person.identifier107333
person.identifier1693134
person.identifier.ciencia-id2F11-9092-FAAF
person.identifier.ciencia-idCF16-5443-F420
person.identifier.ciencia-idA918-C6FF-81A4
person.identifier.ciencia-idBA14-09D6-A406
person.identifier.orcid0000-0002-1210-4259
person.identifier.orcid0000-0001-6595-9165
person.identifier.orcid0000-0002-8665-5280
person.identifier.orcid0000-0002-9249-1948
person.identifier.ridI-8470-2012
person.identifier.ridI-5949-2013
person.identifier.scopus-author-id23569169900
person.identifier.scopus-author-id7102331969
person.identifier.scopus-author-id6602648497
person.identifier.scopus-author-id6506577664
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
rcaap.typearticleen
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