Multichannel taste sensor using electric potential changes in lipid membranes

A taste sensor with a multichannel electrode was developed by using lipid membranes as a transducer of taste substances. The sensor can detect the taste in a similar manner to the human gustatory sensation by response patterns of electric potential to taste substances. The sensitivity, reproducibili...

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Bibliographic Details
Published in:Biosensors & bioelectronics 1994, Vol.9 (4), p.359-364
Main Authors: Toko, K., Matsuno, T., Yamafuji, K., Hayashi, K., Ikezaki, H., Sato, K., Toukubo, R., Kawarai, S.
Format: Article
Language:English
Subjects:
aqueous drink
basic taste substances
beer
Biological and medical sciences
Biosensing Techniques
Biosensors
Biotechnology
Electrodes
Food engineering
Food industries
Fundamental and applied biological sciences. Psychology
General aspects
Humans
lipid membrane
Lipids
Membranes, Artificial
Methods. Procedures. Technologies
multichannel taste sensor
Taste
Temperature
Various methods and equipments
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Summary:A taste sensor with a multichannel electrode was developed by using lipid membranes as a transducer of taste substances. The sensor can detect the taste in a similar manner to the human gustatory sensation by response patterns of electric potential to taste substances. The sensitivity, reproducibility and durability were superior to those of humans. The same taste as that elicited by some commercial aqueous drink was reproduced by making aqueous solution mixed from four kinds of basic taste substances, the concentrations of which were determined so that the electric-potential pattern of this mixed solution could agree well with the pattern by the drink. Different brands of beer were easily distinguished by the electric-potential patterns.
ISSN:0956-5663
1873-4235
DOI:10.1016/0956-5663(94)80036-7