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Review Articles

Multiclass Pesticide Residues in Fruits and Vegetables from Brazil: A Systematic Review of Sample Preparation Until Post-Harvest

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Pages 1174-1196 | Published online: 15 Dec 2021
 

Abstract

Brazil annually produces around 43 million tons of fruits and vegetables. Therefore, large amounts of pesticides are needed to grow these foods. The use of unauthorized or indiscriminate pesticides can lead to the adherence of residues of these compounds to the product in a concentration above the maximum residue limit (MRL). Pesticide residues (PRs) monitoring is a continuous challenge due to several factors influencing the detection of these compounds in the food matrix. Currently, several adaptations to conventional techniques have been developed to minimize these problems. This systematic review presents the main information obtained from 52 research articles, taken from five databases, on changes and advances in Brazil in sample preparation methods for determining PRs in fruits and vegetables in the last nine years. We cover the preexisting ones and some others that might be suitable alternatives approaches. In addition, we present a brief discussion on the monitoring of PRs in different Brazilian regions, and we found that residues belonging to the organophosphate and pyrethroid classes were detected more frequently. Approximately 67% of the residues detected are of irregular use in 28 types of fruits and vegetables commonly consumed and exported by Brazil.

Graphical Abstract

Acknowledgments

The authors are thankful for the financial support provided by the Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ) Brazil – grant number (E‐26/203.049/2017, E-26/010.000.984/2019, and E-26/200.721/2021), the Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) – grant number (313119/2020-1, 163480/2020-6, and 150450/2020-6) and the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) Brazil – grant number (88887.518753/2020-00) and Finance Code001.

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