In the cases frequently seen with infants, it is known that some of the proteins contained mainly in the white exhibit strong allergenicities, and it is also known that these allergenicities are slightly reduced by heating.
乳幼児によく見られるものの場合、主に卵白に含まれる蛋白質のうちのいくつかが強いアレルゲン活性を示すことが知られており、これらの活性は加熱によって多少軽減されることも知られている。