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Research Article

Academia Journal of Agricultural Research 10(5): 079-086, May 2022
DOI: 10.15413/ajar.2022.0104
ISSN: 2315-7739
2022 Academia Publishing

Abstract

 

Assay of caffeine in popular drinks of food systems and in vivo organs using carbon fiber Microelectrodes


Accepted 9th August, 2022
 

Suw Young Ly

Biosensor Research Institute in Seoul National University of science and Technology, 172, gongreung 2 dong Nowon gu, Seoul, South Korea, 139-743.
 

 

The study discussed in this work was developed to determine trace caffeine using square wave anodic stripping voltammetry (SWASV). We found that at the optimized conditions and for a 1.4 V anodic peak current, the voltammetric concentration effects were comparable to that of common electrodes, and that the carbon fiber microelectrode (CFME) is more sensitive than other electrodes. With the CFME, two working ranges of 0.5-10 and 20-300 mgL-1 were obtained. The relative standard deviation of 50.0 mgL-1 was found to have been 0.01 % (n = 12) at the optimum conditions, and the detection limit (S/N) attained was 45 ugL-1 (2.310-8 M). The developed method was applied to the determination of the caffeine content of popular drinks and in vivo organs at real.

Key words: Voltammetry, assay, caffeine, carbon fiber, electrode, drink.

 

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Cite this article as:

Ly SY (2022). Assay of caffeine in popular drinks of food systems and in vivo organs using carbon fiber Microelectrodes. Acad. J. Agric. Res. 10(5): 079-086.

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