Food allergies: A new, simple method to track down allergens

Although food allergies are common, sufferers often don't know exactly what in foods cause their allergic reactions. This knowledge could help develop customized therapies, like training the body's immune system to respond to certain proteins found in foods. However, determining which protein in a food causes an allergic response to a patient requires time-consuming tests that often ignore rare or unexpected allergens. Publishing in Analytical Chemistry, EPFL scientists have developed a highly-sensitive method that can quickly and accurately identify the culprit proteins even at very low concentrations. The method has been successfully tested in the context of cow milk allergy.

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