Risk Assessment of Hazardous Pollutants in Foods

A special issue of Foods (ISSN 2304-8158). This special issue belongs to the section "Food Toxicology".

Deadline for manuscript submissions: 28 August 2025 | Viewed by 1024

Special Issue Editor


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Guest Editor
LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal
Interests: food additives; food contaminants; risk assessment; pharmaceuticals; heavy metals; mycotoxins; food dyes
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Special Issue Information

Dear Colleagues,

Potential risks associated with the occurrence of hazardous pollutants in food have become an increasingly important issue in human health. This concern has been driven by the widespread detection of several contaminants in different types of foods. Most of these contaminants are frequently present in food and, albeit detected at trace levels, they are of concern as they can promote deleterious consequences at low concentrations. This is recognized by the food legislation in different countries through the introduction of maximum residue levels for diverse contaminants in several foods.

However, there is still a lack of knowledge on some hazardous pollutants in food, namely important issues for a proper risk evaluation and management.

Therefore, this Special Issue will tackle the Risk Assessment of Hazardous Pollutants in Foods, focusing on the following issues:

-Where do these contaminants come from?

-How can we detect these contaminants?

-What is the occurrence of these contaminants in food?

-How toxic are these contaminants?

-How can we remove these contaminants?

Dr. André Pereira
Guest Editor

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Keywords

  • food contaminants
  • mycotoxins
  • foodborne pathogenic microorganisms
  • pharmaceuticals
  • pesticides
  • PCBs
  • dioxins
  • flame retardants
  • acrylamide
  • furans

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Published Papers (1 paper)

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Research

13 pages, 1149 KiB  
Article
Possible Genotoxic Effects of Post-Harvest Fungicides Applied on Citrus Peels: Imazalil, Pyrimethanil, Thiabendazole and Their Mixtures
by Boglárka Bernadett Tisza, Luca Járomi, Judit Háhn, Bálint Bérczi, Andrea Horváth-Sarródi, Andrea Gubicskóné Kisbenedek and Gellért Gerencsér
Foods 2025, 14(7), 1264; https://doi.org/10.3390/foods14071264 - 3 Apr 2025
Cited by 1 | Viewed by 518
Abstract
Post-harvest fungicides are frequently used on citrus peels to reduce post-harvest fungal contamination during the storage and transport of products. Despite these positive effects, fungicides can pose health risks to consumers. The aim of our study was to perform a genotoxicological risk assessment [...] Read more.
Post-harvest fungicides are frequently used on citrus peels to reduce post-harvest fungal contamination during the storage and transport of products. Despite these positive effects, fungicides can pose health risks to consumers. The aim of our study was to perform a genotoxicological risk assessment of imazalil, pyrimethanil, thiabendazole and their mixtures used as post-harvest treatments. A Salmonella mutagenicity Ames test and comet assay were performed to detect reverse mutation and assess DNA damage. Base-pair, frameshift mutations and metabolic activity were analyzed using the Ames test. In the comet assay, lymphocytes were treated with fungicides for 4 and 24 h. Thiabendazole was found to induce both frameshift and base-pair mutations in the Ames test despite the mutagenicity of both imzalil and pyrimethanil (p < 0.05). DNA-strand breaks were observed in lymphocytes, mainly with dimethyl-sulfoxide solvent fungicides (p < 0.05). The long-term exposure and consumption of fruits and vegetables treated with fungicides can increase the risks of developing genotoxic tumors. Our findings raise new questions about the health risks of fungicides and their mixtures to consumers. Further investigations are essential to explore the genotoxicological effects of fungicides on citrus peels. Full article
(This article belongs to the Special Issue Risk Assessment of Hazardous Pollutants in Foods)
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