Is chestnut a nut?


Thank you for your inquiry.

Chestnut is a nut. It is a member of the Fagaceae family. It has been known to cause IgE-mediated reactions on ingestion, and has a very complex potential cross-reactivity profile. The link copied below is a comprehensive discussion of its allergens, potential cross-reactivity, and reports of its induction of IgE-mediated events.

Thank you again for your inquiry and we hope this response is helpful to you.

Sweet chestnut: Thermo Fisher Scientific Inc.

Phil Lieberman, M.D.

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AAAAI - American Academy of Allergy Asthma & Immunology