Exploration of Foods and Foodomics

From: Development of a novel non-targeted analytical method on evaluating the thermal stability of pesticides, enabling the identification of degradation products

Table 1. Volatilisation and degradation parameters for each scenario

Scenario	Volatilisation study (TGA)	Detection of volatilisation products in TGA-GC-MS?	Degradation study (LC/GC-HRMS)	Detection of degradation products in LC/GC-HRMS?
①	Weight loss < 10%	No	Decreasing chromatographic intensity < 10%	No
②	Weight loss < 10%	No	Decreasing chromatographic intensity > 10% and < 90%	Yes
③	Weight loss > 10% and < 90%	Only AS	Decreasing chromatographic intensity > 10% and < 90%	No
④	Weight loss < 10%	No	Decreasing chromatographic intensity > 90%	Yes
⑤	Weight loss > 90%	Only AS	Decreasing chromatographic intensity > 90%	No
⑥	Weight loss > 10% and < 90%	Degradation products and possibly AS	Decreasing chromatographic intensity > 10%	Yes

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AS: active substance; GC: gas chromatography; HRMS: high-resolution mass spectrometry; LC: liquid chromatography; TGA: thermogravimetric analysis

Supplementary materials

The supplementary tables and figures for this article are available at: https://www.explorationpub.com/uploads/Article/file/101086_sup_1.xlsx.

Declarations

Acknowledgements

The authors wish to acknowledge Laurent Michely and Séna Hamadi from the University Paris-Est Créteil, CNRS, ICMPE, UMR 7182, for their help and expertise on TGA and DSC, as well as Cynthia Zerarga, Jérôme Lepetit, Catherine Tams, Alexandre Michelet, and Christophe Mattioda from PerkinElmer for their help and expertise on TGA-GC-MS.

Author contributions

FD: Methodology, Data curation, Formal analysis, Validation, Visualization, Investigation, Writing—original draft, Writing—review & editing. RBO, GV, and XS: Conceptualization, Methodology, Validation, Writing—review & editing. PLY: Writing—review & editing. AD, JP, and BC: Conceptualization, Methodology, Validation, Writing—review & editing, Supervision, Funding acquisition, Project administration.

Conflicts of interest

The authors declare that they have no conflicts of interest.

Ethical approval

Not applicable.

Consent to participate

Not applicable.

Consent to publication

Not applicable.

Availability of data and materials

The raw data supporting the conclusions of this manuscript will be made available by the authors, without undue reservation, to any qualified researcher.

Funding

This work was partially funded by the French National Research Agency (ANR) as part of the AlimOmic project, [ANR-19-CE21-0002], and ANSES (CRD PhytoCuisson). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

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