There are 7 allergens associated with soya bean allergy.
These proteins include a profilin, 2S seed storage proteins, a Bet v 1 protein, 7S and a 11S seed storage proteins
You may have Pollen-Food Allergy Syndrome if you suffer from oral allergy symptoms to 3 or more of the foods mentioned in cross reactivity section. This allergy is linked to sensitivity to birch tree pollen.
If sensitised to Birch pollen you may also react to Apple, Kiwi, Pear, Peach, Plum, Nectarine, Apricots, Cherries, Tomato, Celery, Carrot, Potato, Parsnip, Pepper, Dill, Cumin, Peas, Coriander, Fennel, Hazelnut, Almonds, Peanuts, Lentils and Beans.
Other food containing 2S albumin seed storage proteins are cashews, peanuts, almonds, mustard seed, rapeseed, turnip, chickpeas, hazelnuts, pistachio, buckwheat, soya beans, sunflower seeds, brazil nuts, kiwi, castor beans and walnuts.
There is a lot of cross reactivity between 2S and 11S seed storage proteins, the only other food containing 11S proteins not mentioned above is pumpkin.
Other foods containing vicilin like (7S seed storage) proteins not mentioned in the list above are lupin, lentils, macadamia nuts, peas and mung bean.