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Simultaneous Voltammetric Determination of Tryptamine and Histamine in Wines Using a Carbon Paste Electrode Modified with Nickel Phthalocyanine

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Abstract

The biogenic amines, especially tryptamine (Tryp) and histamine (Hist), are toxicologically precarious for human health, causing intoxication. The combination of Tryp and Hist together presents even greater damage to human health, since Tryp increases the toxicity of Hist. Information about the presence of this amine is necessary to assess the quality of the wine and avoid intoxication caused by its ingestion. In this work, the electrocatalytic oxidation of Tryp and Hist on a carbon paste electrode modified with nickel phthalocyanine (CPE-NiPC) was studied, and a square wave voltammetric method was developed for simultaneous determination of these amines in wines. The use of NiPC contributed significantly to the peak current gain in the analytical response of the amines. The optimal response and sensitivity of the two analytes were obtained using phosphate buffer (pH 8.5), yielding a linear response range of 0.49–3.93 ng mL−1 and 0.37–2.9 µg mL−1, a limit of detection of 0.168 ng mL−1 and 0.038 µg mL−1 for Tryp and Hist, respectively. The proposed sensor CPE-NiPC has high selectivity affording greater accuracy in determining those amines and providing recovery values in a range of 82.65–103.02% for the analyzed biogenic amines.

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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) under the Finance Code No. 001. The authors would like to thank the Brazilian agencies Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) and CAPES for the research fellowships and scholarships and research grant no. 465768/2014-8 (INCTAA-CNPq). The English text of this paper has been revised by Sidney Pratt, Canadian, MAT (The Johns Hopkins University), RSAdip-TESL (Cambridge University).

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Conceptualization: ASL and MCUA; formal analysis: ASL and ACS; investigation and methodology: ASL, ACS, and TAN; software: ACS; funding acquisition and resources: MCUA; supervision: WFR and MCUA; visualization: ASL; writing—original draft: ASL and ACS; writing—review and editing: ASL, ACS, WFR, and MCUA.

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Correspondence to Mario C. U. Araujo.

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Lourenço, A.S., Nunes, T.A., Silva, A.C. et al. Simultaneous Voltammetric Determination of Tryptamine and Histamine in Wines Using a Carbon Paste Electrode Modified with Nickel Phthalocyanine. Food Anal. Methods 15, 3257–3269 (2022). https://doi.org/10.1007/s12161-022-02390-4

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  • DOI: https://doi.org/10.1007/s12161-022-02390-4

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