What in apples triggers allergic reactions to some people?
Below is an excerpt from one site discussing this. It agrees with many of the other’s I found. Never is it said that ‘this allergy is caused by X molecule’, instead saying that apples (and some other fruits) share the same allergens as some of the more common pollens. For apples, the most frequently mentioned co-occuring allergen is Birch. Why does my wife gets blisters on her lips when she eats apples? It sounds like your wife might be allergic to apples. Some people experience reactions such as itching, rashes or blisters when certain foods (especially fruit and vegetables) touch their lips and mouth. Other people just get a tingling sensation. This is called oral allergy syndrome and different types of fruit can cause it, including pineapple, mango and passion fruit, as well as apple. These reactions usually happen in people who are sensitive to pollen, for example pollens from birch, grass, or plants in the daisy family such as ragweed and mugwort. This is because the allergens in
