Journal
CURRENT ANALYTICAL CHEMISTRY
Volume 13, Issue 1, Pages 81-86Publisher
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1573411012666160805145331
Keywords
Vanillin; CuFe2O4 nanoparticles; ionic liquid; food analysis; sqaure wave voltammetry; carbon paste electrode
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Funding
- Sari, Branch, Islamic Azad University, Sari, Iran
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Vanillin (VAL) is an important flavoring agent in foods, beverages, and pharmaceuticals samples. It is a more atractive food additive as flavor enhancer. Therefore, determination of VAL is important in food industrials. A new method for the determination of VAL in food samples was developed by sqaure wave voltammetry using carbon paste electrode modified with CuFe2O4 nanoparticles and ionic liquid as a working electrode. The obtained CuFe2O4 nanoparticles were characterized by transmission electron microscopy (TEM) method. The modfied electrode shows high electrocatalytic activity for VAL electrooxidation at pH=7.0 as an optimum condition. A linear calibration plot was obtained in the concentration range of 0.1-700.0 mu M with a detection limit of 0.07 mu M. The proposed electrode was successfully applied for the detectermination of VAL in biscuit, chocolate and coffee milk samples
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