To the Editor: A 5-year-old girl with known peanut allergy presented with an acute allergic reaction after ingesting “nut-free” butter containing sunflower seeds (85%), sugar, emulsifier and antioxidant. The label on this product stated that it was processed in a peanut-free facility, and that each batch was tested for traces of nuts and peanut protein.
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- Department of Immunology, Campbelltown Hospital, Sydney, NSW.
Correspondence: Denise.Hsu2@sswahs.nsw.gov.au
- 1. Hungness S, Singer A, Baldwin J. Sunflower seed allergy [abstract]. J Allergy Clin Immunol 2006; 117: S46.
- 2. Axelsson IG, Ihre E, Zetterstrom O. Anaphylactic reactions to sunflower seed. Allergy 1994; 49: 517-520.
- 3. Comstock S, Teuber K. Sunflower seed food allergy as a co-allergy with peanut [abstract]. J Allergy Clin Immunol 2007; 119: S116.
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