期刊
JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION
卷 13, 期 3, 页码 1781-1787出版社
SPRINGER
DOI: 10.1007/s11694-019-00096-6
关键词
MgO nanoparticle; n-Methyl-3-butylimidazolium bromide; Food sample analysis; Electrochemical sensor
The electrochemical behavior of tert-butylhydroxyanisole antioxidant was investigated at a surface of carbon paste electrode amplified with MgO nanoparticle and n-methyl-3-butylimidazolium bromide as conductive binder (CPE/MgO-NPs-/M3BIBr). The oxidation voltammogram of tert-butylhydroxyanisole was shown an irreversible signal with a diffusion controlled system. Using pH investigation data, we suggested a possible mechanism for electro-oxidation of tert-butylhydroxyanisole. The oxidation current varied linearly with tert-butylhydroxyanisole concentration in the range 0.1-700 mu M with detection limit 0.04 mu M. The CPE/MgO-NPs-/M3BIBr was resolved overlapping signal of tert-butylhydroxyanisole and kojic acid as two important antioxidants for the first time. The CPE/MgO-NPs-/M3BIBr was applied to the analysis of tert-butylhydroxyanisole in food samples such as edible oil and chilli sauce.
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