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In this work, we report a facile and convenient approach for the synthesis of a molecular imprinted electrode for detecting total theaflavin (TF), an important chemical constituent of black tea. The proposed electrode is prepared from co-polymer of acrylamide and divinylbenzene along with graphite and it is imprinted with TF. The molecular imprinted polymer (MIP) is characterized by fourier transform...
Catechin plays a significant role in determining the level of astringency and taste of green tea. It has also certain health benefits which makes green tea very popular among mankind. This study reports the use of stainless steel electrode for the detection of catechin. The sensory evaluation of the electrode was compared with that of carbon paste and platinum electrode by means of cyclic voltammetry...
With the advent of electronic nose and electronic tongue, instrumental quality estimation of black tea has become possible. Electronic nose detects tea samples on the basis of aroma and taste can be detected by electronic tongue. But to develop human like quality judgment system, both the sensor responses must be considered. The objective of this work is to find optimized dataset by combining the...
In this paper, six different grades of Assam CTC black tea liquor were discriminated by means of cyclic voltammetry. A 3-electrode configuration was used to study the voltammogram where Polyacrylamide/Exfoliated Graphite composite (PAM/EGC) was used as the working electrode. Data obtained from the tea samples were subjected to multivariate data analysis techniques viz. Radar plot, Box plot and Principal...
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