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"Future Food" Could Be Hazardous for Allergy Sufferers
News

"Future Food" Could Be Hazardous for Allergy Sufferers

"Future Food" Could Be Hazardous for Allergy Sufferers
News

"Future Food" Could Be Hazardous for Allergy Sufferers

Man eating an insect. Credit: Edith Cowan University.
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The thought of eating insects is stomach turning for many, but new Edith Cowan University ECU research is shedding light on allergy causing proteins which could pose serious health risks for those suffering from shellfish allergy.

The research, published in the journal Food Chemistry, identified 20 proteins found in cricket food products which could cause serious allergic reactions for some people.


The project was led by Professor Michelle Colgrave from ECU’s School of Science and the CSIRO.


Professor Colgrave said crickets and other insects could be the key to feeding for the estimated 9.7 billion people on Earth in 2050.


“More than 2 billion people around the world already eat insects on a daily basis and they could be a sustainable solution, providing protein that complements traditional animal-based protein sources,” she said.


“Crickets are high in protein, nutrient dense and considered environmentally friendly.


“Numerous studies have shown eating insects provide benefits to gut health, lowering blood pressure while being high in antioxidants.”


Insects might have a strong reaction


While insects show promise as an alternative protein source, and are identified by Agrifutures as a high potential emerging industry, their allergenic properties are a concern.


As the world searches for novel and more sustainable forms of food, consideration must also be paid to those with allergenic properties and that is where Professor Colgrave’s research fits in.


“This research showed a significant overlap in allergenic proteins found in cricket food products and those found in shellfish like crabs and prawns,” she said.


“That’s because crickets, mealworms and other insects are closely related to crustaceans.


“Shellfish allergies affect up to three per cent of people globally, but varies according to age and region, and there’s a good chance that people allergic to shellfish will also react to insects.”


Being an allergen does not prevent insects being used as a food source, however it does mean that insect-based foods need to be tested and labelled correctly to ensure people with allergies don’t unwittingly eat them.


Breaking down the bugs


The research team from ECU, CSIRO, James Cook University and Singapore’s Agency for Science Technology and Research (A*STAR) compared proteins from whole crickets, roasted whole crickets and roasted cricket powder products to known allergens.


Their results can now be used to detect cricket-derived allergens in food products that can support allergen labelling and safe food manufacture.

Reference
Bose U, Broadbent JA, Juhász A, et al. Protein extraction protocols for optimal proteome measurement and arginine kinase quantitation from cricket Acheta domesticus for food safety assessment. Food Chemistry. 2021;348:129110. doi:10.1016/j.foodchem.2021.129110



This article has been republished from the following materials. Note: material may have been edited for length and content. For further information, please contact the cited source.

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