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Vol. 32, No. 8(2), S&M2292

Print: ISSN 0914-4935
Online: ISSN 2435-0869
Sensors and Materials
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Sensors and Materials, Volume 15, Number 4 (2003)
Copyright(C) MYU K.K.
pp. 209-218
S&M522 Research Paper in Biosensors and Related Areas
Published: 2003

Taste Profiling of Centella Asiatica by a Taste Sensor [PDF]

A. K. M. Shafiqul Islam, Zhari Ismail, Mohd Noor Ahmad, Abdul Rahman Othman, Saravanan Dharmaraj and Ali Yeon Mohd Shakaff

(Received March 8, 2002; Accepted June 4, 2003)

Keywords: organoleptic assessment, medicinal plants, taste sensor, taste profiling

A taste sensor was used for organoleptic profiling and quality evaluation of Centella asiatica extracts and isolates on the basis of basic tastes i.e., sweet, sour, bitter, salty and umami. The sensor uses an array of electrodes composed of different lipid polymer membranes. The potentiometric data obtained were classified using principal component analysis (PCA) and discriminant function analysis (DFA). A good correlation was obtained between Centella asiatica extracts (r>0.97) and the salty taste, and isolates (r>0.94) and the umami taste. Similar results were obtained from the DFA method.

Corresponding author: Mohd Noor Ahmad


Cite this article
A. K. M. Shafiqul Islam, Zhari Ismail, Mohd Noor Ahmad, Abdul Rahman Othman, Saravanan Dharmaraj and Ali Yeon Mohd Shakaff, Taste Profiling of Centella Asiatica by a Taste Sensor, Sens. Mater., Vol. 15, No. 4, 2003, p. 209-218.



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