Treatment and prevention of seed allergies

A method of inducing desensitization to peanut seeds in an allergic subject comprising providing a composition to the subject using a treatment regimen that induces desensitization to peanut seeds in said allergic subject, wherein the composition comprises an extract of a plurality of non-mature peanut seeds, wherein allergic proteins of said non-mature peanut seeds are amenable to heat denaturation and are denatured by heating to a temperature between 50-500° C., wherein said non-mature peanut seeds are at a developmental stage whereby the peanut seeds occupy between 40-60% of the pod volume, said composition of matter being devoid of fully mature peanut seeds.