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Non-target influence of imidacloprid residues on grape global metabolome and berry quality with the identification of metabolite biomarkers

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Abstract

This paper illustrates the non-target impact of imidacloprid (IM) residues on the grape global metabolome and biomarker identification with high-resolution mass spectrometry. IM was applied at the recommended dose (SD), and ten times SD (10 RD). The global metabolome analysis revealed that 21 metabolites were up- and down-regulated with IM SD treatment. In 10 RD, 9 metabolites were upregulated, and 28 were downregulated. Pathway enrichment analysis revealed the primary and secondary pathway disruption in grapes. Berry quality was affected with decrease in flavonoids by 32.97% in 10 RD; phenols were reduced by 53.93 in SD, 50.8% in 10 RD. The non-target and target study revealed the degradation of IM in grapes to desnitro-IM and IM-urea which were identified as a potential biomarker for IM residues in grapes, which would benefit the authentication of organic product. Overall, imidacloprid showed a significant impact on the grape metabolome and quality.

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Data associated with the manuscript will be available on request.

Abbreviations

IM:

Imidacloprid

SD:

Recommended dose

DD:

Double of recommended dose

10 RD:

10 Times recommended dose

BLQ:

Below limit of quantitation

MRL:

Maximum residue level

HRMS:

High-resolution mass spectrometry

PCA:

Principal component analysis

OPLS-DA:

Orthogonal projections to latent structure discriminant analysis

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Authors

Contributions

Execution of experiment, statistical evaluation, and preliminary draft preparation: Pushpa Deore. Conceptualisation, methodology, design, and final manuscript: Ahammed Shabeer T. P. Final manuscript review: Anuradha Upadhyay and Rachayya Devarumath. All authors read and approved the final manuscript.

Corresponding author

Correspondence to Ahammed Shabeer Thekkumpurath.

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The work does not include any human participants and/or animals.

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The authors declare no competing interests.

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Responsible Editor: Ester Heath

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Deore, P., Thekkumpurath, A.S., Upadhyay, A. et al. Non-target influence of imidacloprid residues on grape global metabolome and berry quality with the identification of metabolite biomarkers. Environ Sci Pollut Res 31, 15770–15787 (2024). https://doi.org/10.1007/s11356-024-32134-2

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  • DOI: https://doi.org/10.1007/s11356-024-32134-2

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