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Título: An electronic tongue for juice level evaluation in non-alcoholic beverages
Autor: Peres, António M.
Dias, L.G.
Barcelos, Tânia P.
Morais, Jorge Sá
Machado, A.A.S.C.
Palavras-chave: Discriminant analysis
Electronic tongue
Fruit juice level
Non-alcoholic beverages
Polymeric membranes
Issue Date: 2009
Editora: Elsevier
Citação: Peres, A. M.; Dias, L.G.; Barcelos, T.P.; Sá Morais, J.; Machado, A.A.S.C. (2009) - An electronic tongue for juice level evaluation in non-alcoholic beverages. Procedia Chemistry. ISSN 1876-6196. 1:1 (2009) p. 1023-1026
Resumo: An electronic tongue with 36 cross-sensibility polymeric membranes was built and used for semi-quantitative analysis of beverages. The objective was to differentiate 4 non-alcoholic beverage groups with different added fruit juice contents: higher than 30%, between 14%-30%, 5%-10% and 0.1%-2%. A set of 16 Portuguese beverages (4 for each group), purchased in commercial supermarkets, was analyzed and the respective signal profiles recorded by the electronic tongue device. The data obtained were treated by stepwise linear discriminant analysis, allowing a 100% overall correct classification for the original grouped cases and a 93.8% for the “leaving one-out” cross-validation procedure
ISSN: 1876-6196
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Appears in Collections:ARN - Artigos em Revistas Indexados ao ISI/Scopus

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