From the New Scientist magazine:"Hazelnuts and apples are the most common triggers of food allergies in Europeans - not peanuts, as many might expect." Regional differences: "Peach and melon allergy is common in the Mediterranean - in Spain and Greece. Iceland is a hotspot for fish allergy."
Crossreaction between birch (Bet v 1), apple (Mal d 3) and peach ( Pru p 3) http://bit.ly/24Yh6G
Bet v 1 cross-reactions: people who have birch pollen allergy often react to apple, celery, plums and several other common foods.
Behind the names of food allergens: Pru p 3, a major peach allergen - from peach (Prunus persica) http://bit.ly/140g0j
Behind the names of food allergens: Mal d 3 (Lipid-transfer Protein) apple allergen - from apple (Malus domestica) http://bit.ly/Rh2mF
Behind the names of allergens: Bet v 1, the major birch pollen allergen - from birch, Betula verrucosa http://bit.ly/1nT0vT
Oral allergy syndrome (OAS, pollen-food allergy syndrome) is contact urticaria of the oropharynx. OAS is caused by allergens in fruits, vegetables, tree nuts, and peanuts that are homologous to pollen allergens.
Related reading:
What is oral allergy syndrome?
Unfolding of Pru p3 (peach) reduces resistance to GI proteolysis, almost completely abrogated IgE allergenic potency. JACI, 2011.
Image source: Silver Birch, Wikipedia, GNU Free Documentation License.
