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Aniseed-induced nocturnal tongue angioedema
V Gázquez García1, P Gaig Jané, B Bartolomé Zavala
1Allergy Unit, Hospital Universitari de Tarragona Joan XXIII, Tarragona, Spain. vangazquez@comt.es
Journal of Investigational Allergology & Clinical Immunology
|December 20, 2007
Summary
This study details a rare case of tongue angioedema caused by aniseed allergy. Allergy testing confirmed hypersensitivity to aniseed, highlighting a potential trigger for adverse reactions to this common spice.
Area of Science:
- Allergy and Immunology
- Food Science
- Clinical Medicine
Background:
- Aniseed is a spice commonly used in food and beverages.
- The celery-mugwort-spices syndrome describes cross-reactivity among certain foods and pollens.
- Type I hypersensitivity reactions can manifest in various ways.
Observation:
- A patient presented with tongue angioedema after consuming aniseed liqueur.
- Skin prick tests were positive exclusively for aniseed.
- Serum-specific immunoglobulin E (IgE) levels indicated sensitivity to aniseed, tare, and cumin.
Findings:
- Sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) immunoblotting identified IgE-binding proteins in aniseed extract.
- A specific IgE-binding band of 12.9-13.7 kd was observed in aniseed extract, potentially linked to the allergic reaction.
- This is the first reported case of type I hypersensitivity to aniseed liqueur.
Implications:
- Aniseed can be an allergen, triggering immediate hypersensitivity reactions like angioedema.
- Understanding specific protein allergens in aniseed is crucial for accurate diagnosis and management.
- Clinicians should consider aniseed as a potential allergen in patients with unexplained hypersensitivity reactions.
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