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An electronic tongue taste evaluation: identification of goat milk adulteration with bovine milk

2009Journal article Open access
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dc.contributor.authorDias, L.G.
dc.contributor.authorPeres, António M.
dc.contributor.authorVeloso, Ana C.A.
dc.contributor.authorReis, Filipa S.
dc.contributor.authorVilas-Boas, Miguel
dc.contributor.authorMachado, Adélio A.S.C.
dc.date.accessioned2009-02-05T15:22:18Z
dc.date.available2009-02-05T15:22:18Z
dc.date.issued2009
dc.description.abstractAn electronic tongue with 36 cross-sensibility sensors was built allowing a successful recognition of the five basic taste standards, showing high sensibility to acid, salty and umami taste substances and lower performance to bitter and sweet tastes. The taste recognition capability was afterwards tested in the detection of goat milk adulteration with bovine milk, which is a problem for the dairy industry. This new methodology is an alternative to the classical analyticalmethods used to detect caprine milk adulterations with bovine milk, being a simpler, faster and economical procedure. The different signal profiles recorded by the e-tongue device together with linear discriminant analysis allowed the implementation of a model that could distinguish between rawskim milk groups (goat, cowand goat/cow) with an overall sensibility and specificity of 97% and 93%, respectively. Furthermore, cross-validation showed that the modelwas able to correct classify unknown milk samples with a sensibility and specificity of 87% and 70%, respectively. Additionally, the model robustness was confirmed since it correctly or incorrectly classified milk samples with, respectively, higher and lower probabilities than those that could be expected by chance.en
dc.identifier.citationDias, L.G.; Peres, A.M.; Veloso, Ana C.A.; Reis, Filipa S.; Vilas-Boas, Miguel; Machado, A.A.S.C. (2009). An electronic tongue taste evaluation: identification of goat milk adulteration with bovine milk. Sensors and Actuators B: Chemical. ISSN 0925-4005. 136:1-2, p. 209-217en
dc.identifier.issn0925-4005
dc.identifier.urihttp://hdl.handle.net/10198/1029
dc.language.isoengen
dc.publisherElsevieren
dc.relationPOCI/QUI/58706/2004
dc.subjectElectronic tongueen
dc.subjectTaste standardsen
dc.subjectMilk adulterationen
dc.subjectCow milken
dc.subjectGoat milken
dc.subjectPrincipal component analysisen
dc.subjectLinear discriminant analysisen
dc.titleAn electronic tongue taste evaluation: identification of goat milk adulteration with bovine milken
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PPCDT%2FQUI%2F58076%2F2004/PT
oaire.fundingStream3599-PPCDT
person.familyNameDias
person.familyNamePeres
person.familyNameReis
person.familyNameVilas-Boas
person.givenNameLuís G.
person.givenNameAntónio M.
person.givenNameFilipa S.
person.givenNameMiguel
person.identifier107333
person.identifier1693134
person.identifier.ciencia-id2F11-9092-FAAF
person.identifier.ciencia-idCF16-5443-F420
person.identifier.ciencia-id391F-AFE1-64C7
person.identifier.ciencia-idA918-C6FF-81A4
person.identifier.orcid0000-0002-1210-4259
person.identifier.orcid0000-0001-6595-9165
person.identifier.orcid0000-0002-9159-0530
person.identifier.orcid0000-0002-8665-5280
person.identifier.ridI-8470-2012
person.identifier.ridI-2093-2013
person.identifier.ridI-5949-2013
person.identifier.scopus-author-id23569169900
person.identifier.scopus-author-id7102331969
person.identifier.scopus-author-id36982144400
person.identifier.scopus-author-id6602648497
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
rcaap.typearticleen
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