Science and Technology of Food Industry

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Volume 41 Issue 1
Dec.  2019
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LV Hui-ping, MA Xin-ying, CHEN Mei-feng, DONG Zhen-dong, XIN Ming-hao. Determination of Tert-butylhydroquinone by a Poly-L-threonine Modified Electrode[J]. Science and Technology of Food Industry, 2020, 41(1): 236-240,327. DOI: 10.13386/j.issn1002-0306.2020.01.038
Citation: LV Hui-ping, MA Xin-ying, CHEN Mei-feng, DONG Zhen-dong, XIN Ming-hao. Determination of Tert-butylhydroquinone by a Poly-L-threonine Modified Electrode[J]. Science and Technology of Food Industry, 2020, 41(1): 236-240,327. DOI: 10.13386/j.issn1002-0306.2020.01.038
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Determination of Tert-butylhydroquinone by a Poly-L-threonine Modified Electrode

  • College of Chemistry and Chemical Engineering, Heze University, Heze 274015, China

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  • Received Date: March 04, 2019
  • Available Online: November 12, 2020
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  • Poly L-threonine modified glassy carbon electrode was prepared by electropolymerization of L-threonine. The electrochemical behavior of tert-butyl hydroquinone(TBHQ)was studied by cyclic voltammetry(CV). A new method for the determination of TBHQ in food was established. Under the optimal conditions,good liner relationships between current intensities and TBHQ concentrations were obtained in the ranges of 2.0×10-7~2.0×10-5 mol·L-1,with correlation coefficients(r)of 0.9994,the detection limit was 8.6×10-9 mol·L-1. The modified electrode can be applied to the analysis of TBHQ in sample with recoveries of 98.5%~102.6%.
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