Journal
ELECTROANALYSIS
Volume 34, Issue 6, Pages 1054-1064Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.202100645
Keywords
Gallic acid; folic acid; electrochemical pretreatment; square wave voltammetry; fruit juice; electrocatalytic activity
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An efficient sensor has been developed for simultaneous determination of gallic and folic acid in juice samples. The sensor exhibits high electrocatalytic activity and provides accurate measurement under optimized conditions.
An efficient sensor was developed for the simultaneous determination of gallic and folic acid in juice samples using an electrochemically pretreated carbon paste electrode. The electrode was characterized by CV and EIS. The electrochemical behavior of GA and FA was evaluated by CV and SWV. The electrode exhibited high electrocatalytic activity towards GA and FA due to high surface area. Under the optimized condition, linear plots in the ranges of 0.08-13 mu M and 0.1 to 15 mu M were obtained for GA and FA, respectively. The proposed method was successful for the simultaneous determination of GA and FA in juice samples with satisfactory recovery.
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