Analysis of tea samples with a multisensor system and capillary electrophoresis |
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| Authors: | I S Papieva D O Kirsanov A V Legin L A Kartsova A V Alekseeva Yu G Vlasov N Bhattacharyya S Sarkar R Bandyopadkhyay |
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| Institution: | 1.St. Petersburg State University,St. Petersburg,Russia;2.Analytical Spectrometry Limited Liability Company,St. Petersburg,Russia;3.Center for Development of Modern Calculations,Kolkata,India;4.Jadavpur University,Kolkata,India |
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| Abstract: | Potential of an “electronic tongue” multisensor system in identification of various tea samples and in quantitative analysis
of separate tea components was studied. As a reference method for quantitative analysis of antioxidants of the polyphenolic
type served micellar electrokinetic chromatography with a UV detector. The contents of epicatechin gallate, epigallocatechin
gallate, epicatechin, epigallocatechin, gallic acid, gallocatechin gallate, and caffeine alkaloid in various tea samples were
quantitatively estimated. |
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