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FSU scientists develop new tests to detect nut allergens in processed food

proteins remained mostly unchanged throughout the irradiation and thermal processing, dashing hopes that the treatments would render the healthy snacks safer for wider consumption and more profitable for growers and industry.

However, the bad news in turn generated some very good news -- precisely because the irradiation and thermal procedures likely to be encountered during commercial processing did nothing to alter the tree nut protein antigenicity. Now lab tests originally used on unprocessed cashew nuts, almonds and walnuts to detect antigenic proteins could be reliably applied to detect minute traces in already-processed food products as well.

"Development of specific, robust, sensitive and reproducible assays for tree nut detection will help protect sensitive consumers who must rely upon accurate labeling, as well as food industry and regulatory agencies who monitor the presence of trace quantities in both food and feed," said Sathe. He cautioned that "continued and vigorous research is now urgently warranted" to expedite preparation of the techniques for commercial use.


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Contact: Shridhar Sathe
ssathe@mailer.fsu.edu
850-644-5837
Florida State University
6-Jul-2004


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