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Related Experiment Video

Updated: Sep 29, 2025

Author Spotlight: Development and Challenges of Feeding Assays for Insect Pest Management

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Published on: May 26, 2023

Mycotoxin Metabolism by Edible Insects.

Natasha Marie Evans¹, Suqin Shao¹

¹Guelph Research and Development Centre, Agriculture and Agri-Food Canada, Guelph, ON N1G 5C9, Canada.

|March 24, 2022

Summary

Edible insects can metabolize harmful mycotoxins, transforming them into less toxic compounds. Further research is needed to fully understand the enzymes and pathways involved in insect mycotoxin detoxification.

Keywords:

aflatoxins deoxynivalenol edible insects fumonisins mycotoxin metabolism mycotoxins ochratoxins zearalenones

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Isolation and Selection of Entomopathogenic Fungi from Soil Samples and Evaluation of Fungal Virulence against Insect Pests

Isolation and Selection of Entomopathogenic Fungi from Soil Samples and Evaluation of Fungal Virulence against Insect Pests

Published on: September 28, 2021

Area of Science:

Food safety
Toxicology
Entomology

Background:

Mycotoxins pose significant food safety risks due to their toxicity and carcinogenicity.
Edible insects are a sustainable protein source, increasingly used for feed and food.
Insects can convert food waste, which may contain mycotoxins, into valuable biomass.

Purpose of the Study:

To investigate the metabolism and detoxification of mycotoxins by edible insects.
To identify mycotoxin metabolites and understand the enzymes involved in insect detoxification pathways.

Main Methods:

Review of existing literature on mycotoxin metabolism in insects.
Analysis of identified mycotoxin metabolites (aflatoxins, fumonisins, ZEN, DON, OTAs) in insect studies.

Main Results:

Insects metabolize aflatoxins into hydroxylated forms and zearalenone (ZEN) into α- and β-zearalenol.
Three deoxynivalenol (DON) metabolites (3-, 15-acetyl-DON, DON-3-glucoside) were identified in insects.
Detoxification mechanisms and metabolites for ochratoxins (OTAs) and fumonisins in insects remain largely unknown.

Conclusions:

Edible insects demonstrate a capacity for mycotoxin metabolism and detoxification.
Specific enzymes and biochemical pathways for OTA and fumonisin detoxification in insects require further investigation.
Understanding these mechanisms is crucial for ensuring the safety of insect-based food and feed.