The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Assessment of Allergenicity of Fermented Dairy Products by Immunoassay

면역 분석법을 이용한 발효 유제품의 알레르기원성 평가

  • Kang, Kun-Og (Dept. of Nutrition and Culinary Science, Hankyong National University)
  • 강근옥 (한경대학교 영양조리과학과)
  • Published : 2006.09.30
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Abstract

Immunoblotting and competitive indirect enzyme-liked immunosorbent assay(Ci-ELISA) was used for detection of ${\beta}$-lactoglobulin(BLG) in dairy products, such as milk, dried milk and fermented milk. In immunoblotting, human IgE weakly recognized proteins of fermented milk, but still responded to dried milk even though become weak. Rabbit polyclonal antibody to BLG, used as a model of antigen, and milk allergic patients' IgE was used in the ELISA. Reactivities of Abs were the highest in market milk. BLG in fermented milk was detected in a low content. This result indicates the fermented milk have the lowest BLG content and could be used as hypo-allergenic food for milk-allergic individual.

시유, 분유, 발효유에 존재하는 우유알레르겐인 ${\beta}$-Lactoglobulin (BLG)를 측정하기 위해 면역 blotting 및 간접결합면역 분석법(Competitive-indirect Enzyme linked Immunosorbent Assay; Ci-ELISA)으로 분석하였다. Immunoblotting 결과, 발효유에서는 우유 알레르기 환자의 IgE와의 반응이 나타나지 않았고 분유 및 시유에서는 약하지만 반응이 나타났다. 다클론 항체 및 우유 알레르기 환자의 IgE로 이들의 BLG 함량을 정량한 결과, BLG 함량은 시유가 가장 높았으며 발효유는 매우 낮았다. 이상의 결과에서 발효유에서는 가장 낮은 BLG 함량이 측정되어 우유 알레르기 환자에 대한 저알레르기원성 식품으로 사용될 수 있을 것으로 사료된다.

Keywords

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