Issue 29, 2022

Synthesis and evaluation of a Zn–Al layered double hydroxide for the removal of ochratoxin A. Greenness assessment

Abstract

The retention behavior of a dangerous toxin, ochratoxin A (OTA), present in food samples and derivatives was evaluated using Layered Double Hydroxides (LDHs). This nanomaterial composed mostly of zinc and aluminum was synthesized by the co-precipitation method and the obtained solid was characterized by different techniques, such as XRD, FTIR, TGA, SEM, and N2 adsorption–desorption isotherms. Experimental conditions were optimized by chemometric tools. Ochratoxin A determination was performed using an ultra-high-performance liquid chromatography (UHPLC) system coupled to tandem mass spectrometry. From the findings, quantitative removal of the mycotoxin was achieved. Thus, a novel, nanostructured, innocuous, low-cost, easily synthesized material, such as the Zn–Al layered double hydroxide, is proposed for ochratoxin A removal. This might represent an effective and sustainable approach with potential applications to different types of food and feed samples.

Graphical abstract: Synthesis and evaluation of a Zn–Al layered double hydroxide for the removal of ochratoxin A. Greenness assessment

Article information

Article type
Paper
Submitted
20 Maijs 2022
Accepted
30 Jūn. 2022
First published
30 Jūn. 2022

Anal. Methods, 2022,14, 2841-2848

Synthesis and evaluation of a Zn–Al layered double hydroxide for the removal of ochratoxin A. Greenness assessment

M. D. V. Ponce, M. Cina, C. López and S. Cerutti, Anal. Methods, 2022, 14, 2841 DOI: 10.1039/D2AY00819J

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