Analytical Methods for the Identification of Edible and Feed Insects: Focus on DNA-Based Techniques
Kamila Zdeňková1, Eliška Čermáková1,2, Pavel Vejl3
1Department of Biochemistry and Microbiology, University of Chemistry and Technology Prague, Technická 5, 166 28 Prague, Czech Republic.
Foods (Basel, Switzerland)
|June 13, 2025
Summary
Accurate insect species identification is crucial for food safety and regulatory compliance. DNA-based methods, like polymerase chain reaction (PCR), offer reliable detection of edible insects and potential contaminants.
Area of Science:
- Food Science
- Entomology
- Molecular Biology
Background:
- Insects are a promising source of nutrients for food and feed.
- Undeclared insects in food pose health risks and financial losses.
- Robust detection systems are needed for regulatory compliance.
Purpose of the Study:
- To review methods for identifying and detecting insect species in food and feed.
- To focus on DNA-based approaches for species authentication.
- To assess suitability for approved novel foods and forage insects.
Main Methods:
- Review of biomolecular detection methods (DNA, proteins, saccharides, metabolites).
- Detailed overview of DNA-based techniques: polymerase chain reaction (PCR) and DNA sequencing.
- Focus on species approved in the European Union and globally relevant insects.
Main Results:
- DNA analysis methods are suitable for accurate species identification.
- Detection of undeclared insect contaminants is feasible.
- Monitoring of genetic diversity in insect populations can be achieved.
Conclusions:
- DNA-based methods provide reliable tools for insect species authentication in food and feed.
- These methods support regulatory compliance and consumer safety.
- Application extends to monitoring genetic diversity and detecting contaminants.
