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Combined electronic nose and tongue for a flavour sensing system
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Cole, Marina, Covington, James A. and Gardner, J. W. (2011) Combined electronic nose and tongue for a flavour sensing system. Sensors and Actuators B: Chemical, Vol.156 (No.2). pp. 832-839. doi:10.1016/j.snb.2011.02.049 ISSN 0925-4005.
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WRAP_Gardner_8672007-es-261011-sens_act_b__2011_combined_nose_and_tongue_final_manuscript.pdf - Accepted Version - Requires a PDF viewer. Download (702Kb) |
Official URL: http://dx.doi.org/10.1016/j.snb.2011.02.049
Abstract
We present a novel, smart sensing system developed for the flavour analysis of liquids. The system comprises both a so-called "electronic tongue" based on shear horizontal surface acoustic wave (SH-SAW) sensors analysing the liquid phase and a so-called "electronic nose" based on chemFET sensors analysing the gaseous phase. Flavour is generally understood to be the overall experience from the combination of oral and nasal stimulation and is principally derived from a combination of the human senses of taste (gustation) and smell (olfaction). Thus, by combining two types of microsensors, an artificial flavour sensing system has been developed. Initial tests conducted with different liquid samples, i.e. water, orange juice and milk (of different fat content), resulted in 100% discrimination using principal components analysis; although it was found that there was little contribution from the electronic nose. Therefore further flavour experiments were designed to demonstrate the potential of the combined electronic nose/tongue flavour system. Consequently, experiments were conducted on low vapour pressure taste-biased solutions and high vapour pressure, smell-biased solutions. Only the combined flavour analysis system could achieve 100% discrimination between all the different liquids. We believe that this is the first report of a SAW-based analysis system that determines flavour through the combination of both liquid and headspace analysis.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Flavor, Acoustic surface wave devices, Field-effect transistors | ||||
Journal or Publication Title: | Sensors and Actuators B: Chemical | ||||
Publisher: | Elsevier Science SA | ||||
ISSN: | 0925-4005 | ||||
Official Date: | August 2011 | ||||
Dates: |
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Volume: | Vol.156 | ||||
Number: | No.2 | ||||
Page Range: | pp. 832-839 | ||||
DOI: | 10.1016/j.snb.2011.02.049 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 18 December 2015 | ||||
Date of first compliant Open Access: | 18 December 2015 | ||||
Funder: | European Commission (EC) |
Data sourced from Thomson Reuters' Web of Knowledge
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