The major peach allergen is heat-stable and highly concentrated under the fruit skin and thus avoidance of fresh and processed fruit is necessary for peach allergic individuals. apple, apricot, plum, cherry), hazelnut and walnuts. Peach allergy is most often observed in Mediterranean countries and is frequently accompanied by allergies to other Rosacaean fruits (e.g. Other individuals may react allergic to a different, heat-stable allergen located under the apple skin which cross-reacts with peach allergens, causes severe reactions and is especially observed in the Mediterranean area. Such allergies are predominantly found in cooler regions of the northern hemisphere where birch can grow. Individuals sensitized to birch pollen often react to a heat-labile apple allergen which usually triggers a range of milder local symptoms in the oral cavity (oral allergy syndrome). Severe reactions such as cardiovascular symptoms and anaphylaxis can also be experienced by some individuals.Īllergic reactions to apple may be manifested in two different forms depending on the apple allergen involved. Often mild, these symptoms can be accompanied by skin reactions, asthma and rhinitis. These can occur only minutes after consumption of the respective food and itching and swelling of the mouth, lips and throat are commonly observed. Fruit allergy is frequently observed as local reactions in the oral cavity (oral allergy syndrome). Since fruits often contain allergens from different classes of food allergens, fruit allergic individuals may display different reactions to the same fruit. A great variety of different fruits have been reported as causing allergic reactions, however, the most prevalent and best described are reactions to apple, peach and kiwi fruit.
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