Trehalose phosphorylase as a novel potential allergen in a case of allergic reaction due to oyster mushroom (Pleurotus ostreatus) ingestion

To our knowledge, we present the first case report of allergic reaction from oyster mushroom ingestion, which was confirmed by an oral food challenge test. Trehalose phosphorylase was identified as a novel potential allergen by IgE immunoblotting and mass spectrometry