There are 14 protein bands in peanut allergen, among which 6 3kD, 4 1.7kD, 39kD, 34.8kD and 17.9 KD 5 bands are the most abundant. Eight proteins in peanut allergen can bind to peanut specific IgE, which are 6 3kD (recognized by 4 8 sera), 4 8.5kD (recognized by 5 8 sera), 465,438 0.7 KD (recognized by 4 8 sera), 2 3.5kD (recognized by 48 sera) and 65,438 0.7 KD respectively.

Many allergic patients will be very sensitive if they eat peanuts, which will be immediately reflected in respiratory diseases, such as cough and asthma. Especially for asthma patients, after eating peanuts, the symptoms will get worse immediately. Peanut allergy can cause facial edema, oral ulcer and skin wheal rash, and in severe cases, acute laryngeal edema can occur, leading to suffocation and life-threatening.