The SureFood® ALLERGEN 4plex Peanut/Hazelnut/Walnut+IAC is a real-time PCR for the direct, qualitative detection and differentiation of specific Peanut (Arachis hypogaea), Hazelnut (Corylus maxima) and Walnut (Juglans regia, Juglans nigra) DNA sequences according to directive (EC) 1169/2011.