Q:

1/30/2013
Is chestnut a nut?

A:

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.

Sincerely,
Phil Lieberman, M.D.

AAAAI - American Academy of Allergy Asthma & Immunology