Abstract

We report on a patient with rare anaphylaxis after ingestion of raw bell pepper. A complex cluster of sensitization including grass and birch pointed out a possible pollen-associated food allergy. We suggest that the severe reaction is due to cross-reactivity towards Bet v 1. Western blot showed binding of the patient's serum to an 11 kDa protein, which has not been described yet and might be a new allergenic structure of the bell pepper plant or a fragment of the Bet v 1-homologous bell pepper protein.

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