Spontaneous and induced variability of allergens in commodity crops: Ara h 2 in peanut as a case study

Many commodity crops are grown for human consumption, and the resulting food products usually contain proteins, some of which may be allergenic. The legumes, peanut and soybean, as well as tree nuts and some cereal grains are well recognized sources of food allergens. In peanut, there are 11 documented allergenic proteins, although the major allergens are considered to be Ara h 1 and Ara h 2, both of which are seed storage proteins. Methods to …