Volume 28, Issue 10 p. 2590-2597
Full Paper

Fabrication of Fast and Sensitive Nanostructure Voltammetric Sensor for Determination of Curcumin in the Presence of Vitamin B9 in Food Samples

Somaye Cheraghi

Somaye Cheraghi

Department of Chemistry, Shahid Bahonar University of Kerman, Iran

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Mohammad Ali Taher

Mohammad Ali Taher

Department of Chemistry, Shahid Bahonar University of Kerman, Iran

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Hassan Karimi-Maleh

Corresponding Author

Hassan Karimi-Maleh

Department of Chemistry, Graduate University of Advanced Technology, Kerman, Iran

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First published: 06 October 2016
Citations: 27

Abstract

A novel voltammetric sensor was used for the determination of curcumin by using cadmium oxide nanoparticles-ionic liquid (1,3-dipropylimidazolium bromide as a binder) modified carbon paste electrode (CdO-IL-MCPE). At pH 7.0 as an optimum electrochemical condition, the oxidation signals for curcumin and vitamin B9 are separated at ca. 0.41 and 0.73 V respectively; facilitating fast and sensitive analysis of curcumin in presence of vitamin B9. The oxidation signal of curcumin represented a linear relationship with the concentration of curcumin (R2=0.9981) in the range of 0.2–320.0 µM, with a detection limit of 0.08 µM.