Pesticide residues in fruits from Riyadh markets: a three-year evaluation
Amjaad Ar Reshaid, Daliyah Alshemaimri, Mohamed Khabbouchi, Adel Alhotan, Saad Almutairi, Walid Aljarbou
TL;DR
This study evaluated pesticide contamination in fruits from Riyadh markets over three years and found that most fruits had no detectable pesticide residues or were within safe limits.
Contribution
The study provides a three-year assessment of pesticide residues in a wide variety of fruits using large-scale sampling and identifies key contaminants and trends.
Findings
Only 2.1% of fruit samples exceeded maximum pesticide residue limits.
Fungicides were the most common contaminants exceeding safe levels.
Mandarin and buckthorn were the most frequently contaminated fruits.
Abstract
Fruits are most commonly subjected to pesticide treatments both pre- and post-harvest, which has led to concerns regarding consumer safety. This study aimed to evaluate pesticide contamination in fruits over three years (2020 to 2022), covering a wide diversity (33 types) of fruits and a large sample size (76,290 samples). The LC–MS/MS and GC–MS/MS analyses showed that only 2.1% (1,596 samples) of fruits tested exceeded the maximum residue limits (MRLs), and only 17.8% (13,568 samples) contained detectable residues below MRLs; the majority, 80.1% (61,126 samples), were free of detectable pesticide residues or below 0.01mg/kg. Temporal trends over the three years showed that pesticide contamination levels remained relatively stable. Fungicides were the most frequently detected contaminants to exceed MRLs (53.2%; P < 0.001). Within each separate pesticide category, the most significantly…
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Taxonomy
TopicsPesticide Residue Analysis and Safety · Pesticide Exposure and Toxicity · Animal Ecology and Behavior Studies