First screening method for the simultaneous detection of seven allergens by liquid chromatography mass spectrometry
2011
Heick, J. | Fischer, M. | Pöpping, B.
The development of a multi-method for the detection of seven allergens based on liquid chromatography and triple-quadrupole tandem mass spectrometry in multiple reaction mode is described. It is based on extraction of the allergenic proteins from a food matrix, followed by enzymatic digestion with trypsin. The chosen marker peptides were implemented into one method that is capable of the simultaneous detection of milk, egg, soy, hazelnut, peanut, walnut and almond. This method has been used to detect all seven allergenic commodities from incurred reference bread material, which was baked according to a standard recipe from the baking industry. Detected concentrations ranged from 10 to 1000μg/g, demonstrating that the mass spectrometric based method is a useful tool for allergen screening.
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