Abstract
Part of the detection method for foods containing allergic substances was revised by the Ministry of Health, Labour and Welfare on October 11th, 2005. The purpose of the revision was to solve various problems caused by the parallel extraction procedures and the false-negative reaction. A newly developed extraction method was adopted in both Morinaga and Nippon-Ham kits. It considerably contributed to the test of many samples which could not be. As a result, the establishment of an ideal society for patients who show allergy symptoms by certain foods must be possible. The author reports the outline and new problems on the revised detection methods for food containing allergens substances.