Journal
SCIENCE OF THE TOTAL ENVIRONMENT
Volume 806, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.scitotenv.2021.151192
Keywords
Modified DON and ZEN; Toxicity mechanism; Relative potency factors (RPFs); Structure-toxicity relationships; Health risk assessment
Categories
Funding
- National Natural Science Foundation of China [81872999]
- State key R D Program [2019YFC1710500]
- CAMS Innovation Fund for Medical Sciences [2017-I2M-1-013]
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Mycotoxin contamination, particularly by modified forms of DON and ZEN, presents a significant threat to food security and human health. Understanding the toxicity of these modified mycotoxins and conducting proper risk assessment is essential for addressing the potential environmental and health risks they pose.
Mycotoxin, as one of the most common pollutants in foodstuffs, poses great threat to food security and human health. Specifically, deoxynivalenol (DON) and zearalenone (ZEN)-two mycotoxin contaminants with considerable toxicity widely existing in food products-have aroused broad public concerns. Adding to this picture, modified forms of DON and ZEN, have emerged as another potential environmental and health threat, owing to their higher re-transformation rate into parent mycotoxins inducing accumulation of mycotoxin in humans and animals. Given this, a better understanding of the toxicity of modified mycotoxins is urgently needed. Moreover, the lack of toxicity data means a proper risk assessment of modified mycotoxins remains challenging. To better evaluate the toxicity of modified DON and ZEN, we have reviewed the relationship between their structures and toxicities. The toxicity mechanisms behind modified DON and ZEN have also been discussed; briefly, these involve acute, subacute, chronic, and combined toxicities. In addition, this review also addresses the global occurrence of modified DON and ZEN, and summarizes novel methods-including in silico analysis and implementation of relative potency factors-for risk assessment of modified DON and ZEN. Finally, the health risk assessment of modified DON and ZEN has also been discussed comprehensively. (c) 2021 Elsevier B.V. All rights reserved.
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