2015
DOI: 10.1109/tim.2015.2415113
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Detection of Optimum Fermentation Time of Black CTC Tea Using a Voltammetric Electronic Tongue

Abstract: A voltammetric electronic tongue (E-tongue) has been used to detect the optimum fermentation time (OFT) of crush tear curl black tea. An E-tongue with an array of five noble metal working electrodes has been developed for this purpose. A suitable large amplitude pulse voltammetric waveform is used and a simple feature extraction technique based on the charge activity of working electrodes is proposed. The principal component analysis reveals a significant correlation between the E-tongue responses and the bioc… Show more

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Cited by 31 publications
(9 citation statements)
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“…Table III is about Electrode ratings per tea sample for fractional impedance, and the root means square error. Voltammetric e-tongue is used to obtain the optimum fermentation time of curl black tea [80]. The principal component analysis (PCA) correlates the e-tongue response with the biochemical changes during tea's fermentation process.…”
Section: System Hardware and Functioningmentioning
confidence: 99%
See 1 more Smart Citation
“…Table III is about Electrode ratings per tea sample for fractional impedance, and the root means square error. Voltammetric e-tongue is used to obtain the optimum fermentation time of curl black tea [80]. The principal component analysis (PCA) correlates the e-tongue response with the biochemical changes during tea's fermentation process.…”
Section: System Hardware and Functioningmentioning
confidence: 99%
“…All other attributes tied by applying sophisticated data processing methods such as neural networks may be used to detain the temporal patterns of difference among the attributes. It allows precise and vigorous exposure of optimum fermentation duration for many samples [80].In another paper [81], the taste detection analysis had done for the bitterness and astringency of green tea. The three types of green tea samples have analyzed by using e-nose and e-tongue.…”
Section: System Hardware and Functioningmentioning
confidence: 99%
“…The features do not contain frequency information of the response data. Ghosh et al, 2015b Area values under response curve…”
Section: Referencementioning
confidence: 99%
“…As already pointed out, voltammetric electronic tongues can provide valuable qualitative information about food samples when combined with a chemometric method of pattern recognition. Table 1 summarizes some relevant applications found in references [14,15,16,17] and [28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71] focused on the characterization, classification and authentication of food products.…”
Section: Characterization Classification and Authentication Of Fomentioning
confidence: 99%