Quantification of taste of coffee using sensor with global selectivity

Taiji Fukunaga, Kiyoshi Toko, Shigeru Mori, Yoshiharu Nakabayashi, Masashi Kanda

Research output: Contribution to journalArticle

67 Citations (Scopus)

Abstract

The tastes of different kinds of coffee were measured using a taste sensor. It was found that the lipid membranes of the sensor can be used safely at temperatures as high as 60°C for half a year. Coffees processed by a roasting-brewing procedure were easily discriminated; very high correlations were found between the response electric potentials of the taste sensor and the results of sensory tests by humans for acidity and bitterness, which are the characteristic tastes of coffee. The results imply that the taste of coffee can be quantified by this objective measure. The taste of commercial liquid canned coffees was also quantified, and a two-dimensional taste map was obtained. These results are due to the global selectivity of the taste sensor, which responds simultaneously to tastes of various substances in foodstuffs and classifies them into characteristic groups of taste qualities.

Original languageEnglish
Pages (from-to)47-56
Number of pages10
JournalSensors and Materials
Volume8
Issue number1
Publication statusPublished - Dec 1 1996

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coffee
taste
Coffee
selectivity
sensors
Sensors
Brewing
Membrane Lipids
Acidity
Liquids
Electric potential
acidity
roasting
lipids

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Materials Science(all)

Cite this

Fukunaga, T., Toko, K., Mori, S., Nakabayashi, Y., & Kanda, M. (1996). Quantification of taste of coffee using sensor with global selectivity. Sensors and Materials, 8(1), 47-56.

Quantification of taste of coffee using sensor with global selectivity. / Fukunaga, Taiji; Toko, Kiyoshi; Mori, Shigeru; Nakabayashi, Yoshiharu; Kanda, Masashi.

In: Sensors and Materials, Vol. 8, No. 1, 01.12.1996, p. 47-56.

Research output: Contribution to journalArticle

Fukunaga, T, Toko, K, Mori, S, Nakabayashi, Y & Kanda, M 1996, 'Quantification of taste of coffee using sensor with global selectivity', Sensors and Materials, vol. 8, no. 1, pp. 47-56.
Fukunaga T, Toko K, Mori S, Nakabayashi Y, Kanda M. Quantification of taste of coffee using sensor with global selectivity. Sensors and Materials. 1996 Dec 1;8(1):47-56.
Fukunaga, Taiji ; Toko, Kiyoshi ; Mori, Shigeru ; Nakabayashi, Yoshiharu ; Kanda, Masashi. / Quantification of taste of coffee using sensor with global selectivity. In: Sensors and Materials. 1996 ; Vol. 8, No. 1. pp. 47-56.
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