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Gutierrez-Capitan M.,Institute Microelectronica Of Barcelona Imb Cnm | Capdevila F.,Institute Of Recerca I Tecnologia Agroalimentaries Institute Catala Of La Vinya I El Vi | Vila-Planas J.,Institute Microelectronica Of Barcelona Imb Cnm | Domingo C.,Institute Of Recerca I Tecnologia Agroalimentaries Institute Catala Of La Vinya I El Vi | And 4 more authors.
Journal of Sensors | Year: 2014

The legislation of food industry is becoming increasingly strict with regard to the quality of food products. Therefore, the market is demanding for automatic systems of analysis that allow fast and accurate monitoring of the evolution of quality parameters in agrofood products or permit obtaining information to optimize production processes. In this context, sensors and more specifically microsensors play an important role since they allow fast and reproducible measurement of a large number of quality parameters with good reliability and can be implemented in portable systems. This paper presents a review of the results obtained with an electronic tongue based on different kinds of microsensors applied to wine analysis by the team of IMB-CNM. This multisensor system allows on one hand classifying the wine according to its features like grape variety, geographic origin, year, and organoleptic characteristics and on the other hand quantifying some parameters of interest in quality control, such as alcoholic degree, pH, ions, total acidity, glycerol, and color. © 2014 Manuel Gutiérrez-Capitán et al. Source


Gutierrez-Capitan M.,Institute Microelectronica Of Barcelona Imb Cnm | Vila-Planas J.,Institute Microelectronica Of Barcelona Imb Cnm | Llobera A.,Institute Microelectronica Of Barcelona Imb Cnm | Jimenez-Jorquera C.,Institute Microelectronica Of Barcelona Imb Cnm | And 3 more authors.
Proceedings of IEEE Sensors | Year: 2014

In this work an hybrid electronic tongue for the analysis of wine is presented. Its main novelty is the joint use of different kind of sensors- potentiometric ISFETs, thin film metal microelectrodes as amperometric and conductivity sensors and an optofluidic system- thus allowing an unprecedented measurement of information of a specific sample. Moreover, this electronic tongue is completed with the use of data processing tools like Principal Component Analysis (PCA) Partial Least Square (PLS) and Soft Independent Modeling Class Analogy (SIMCA). The so-called hybrid electronic tongue, here developed, has been applied to classify the wine according to its distinct features like grape variety, geographic origin, year and organoleptic characteristics. This approach has also allowed performing quantitative measurements of parameters of interest in quality control, such as alcoholic degree, pH, ions, total acidity, glycerol and color. © 2014 IEEE. Source

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