Portable Electronic Nose Based on Electrochemical Sensors for Food Quality Assessment - Publication - Bridge of Knowledge

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Portable Electronic Nose Based on Electrochemical Sensors for Food Quality Assessment

Abstract

The steady increase in global consumption puts a strain on agriculture and might lead to a decrease in food quality. Currently used techniques of food analysis are often labour-intensive and time-consuming and require extensive sample preparation. For that reason, there is a demand for novel methods that could be used for rapid food quality assessment. A technique based on the use of an array of chemical sensors for holistic analysis of the sample’s headspace is called electronic olfaction. In this article, a prototype of a portable, modular electronic nose intended for food analysis is described. Using the SVM method, it was possible to classify samples of poultry meat based on shelf-life with 100% accuracy, and also samples of rapeseed oil based on the degree of thermal degradation with 100% accuracy. The prototype was also used to detect adulterations of extra virgin olive oil with rapeseed oil with 82% overall accuracy. Due to the modular design, the prototype offers the advantages of solutions targeted for analysis of specific food products, at the same time retaining the flexibility of application. Furthermore, its portability allows the device to be used at different stages of the production and distribution process.

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DOI:
Digital Object Identifier (open in new tab) 10.3390/s17122715
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Creative Commons: CC-BY open in new tab

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Details

Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
SENSORS no. 17, pages 1 - 14,
ISSN: 1424-8220
Language:
English
Publication year:
2017
Bibliographic description:
Wojnowski W., Majchrzak T., Dymerski T., Gębicki J., Namieśnik J.: Portable Electronic Nose Based on Electrochemical Sensors for Food Quality Assessment// SENSORS. -Vol. 17, nr. 12 (2017), s.1-14
DOI:
Digital Object Identifier (open in new tab) 10.3390/s17122715
Verified by:
Gdańsk University of Technology

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