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Genetically engineered foods: implications for food allergy.
Steve L Taylor1, Susan L Hefle
1University of Nebraska, Food Allergy Research and Resource Program, Lincoln, Nebraska 68583-0919, USA. staylor2@unl.edu
Current Opinion in Allergy and Clinical Immunology
|June 5, 2002
Summary
Agricultural biotechnology foods like corn and soybeans are common. Current assessments suggest low risk of allergic reactions to novel proteins in these approved crops.
Area of Science:
- Agricultural Biotechnology
- Food Safety
- Allergenicity Assessment
Background:
- Genetically modified foods, such as corn and soybeans, are prevalent in the consumer market, especially in the USA.
- Currently, there are no reported allergic reactions to approved agricultural biotechnology crops introduced into the food supply.
- Modifications in these crops are minor, with low expression of novel proteins, leading to minimal consumer exposure.
Purpose of the Study:
- To evaluate the safety of foods produced through agricultural biotechnology.
- To assess the potential allergenicity of genetically modified crops before regulatory approval.
- To address the ongoing scientific and regulatory debate surrounding current allergenicity assessment methods.
Main Methods:
- Review of existing data on approved agricultural biotechnology crops.
- Analysis of protein expression levels in modified crops.
- Examination of regulatory frameworks for food safety assessment.
Main Results:
- No allergic reactions have been reported for approved agricultural biotechnology crops.
- Low levels of novel protein expression result in minimal consumer exposure.
- Current safety assessments are considered adequate by some, but debated by others.
Conclusions:
- Foods from agricultural biotechnology, like corn and soybeans, have a low risk of causing allergic sensitization due to minimal novel protein exposure.
- Despite low reported risks, rigorous safety assessments, including allergenicity evaluation, are crucial for regulatory approval of genetically modified foods.
- The scientific community and regulatory bodies continue to debate the sufficiency of current methods for assessing the allergenicity of agricultural biotechnology products.