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|Título:||An electronic tongue for juice level evaluation in non-alcoholic beverages|
|Autor:||Peres, António M.|
Barcelos, Tânia P.
Morais, Jorge Sá
|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. In Eurosensors XXIII, Lausanne|
|Resumo:||An electronic tongue with 36 cross-sensibility polymeric membranes was built and applied for qualitative beverage analysis.|
An electronic tongue with 36 cross-sensibility polymeric membranes was built and applied for qualitative beverage analysis. The objective was to distinguish non-a1coholic beverages with different leveis of added fruit juice. The different signal profiles recorded by the electronic tongue devi ce, together with a supervised , multivariate statistical method for pattem recognition, were used to differenliate 4 beverage groups with different added fruit juice contents: higher than 30%, between 14% and 30%, between 5% and 10% and between 0.1% and 2%. A set of 16 portuguese beverages (4 for each group), purchased in commercia[ superrnarkets, were analyzed. A stepwise linear discriminant analysis was used allowing a very satisfactory overall correct classification of 100% for the original grouped cases and of 93 .8% for the "[eaving one-out" cross-validation procedure
|Aparece nas colecções:||ARN - Resumos em Proceedings Não Indexados ao ISI/Scopus|
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|16 - 2009 JuiceEuroSensors.pdf||5,55 MB||Adobe PDF||Ver/Abrir|
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