Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Changes in Allergenicity of Porcine Serum Albumin by Microwave, Sonication, and High Hydrostatic Pressure

Microwave, 초음파 및 초고압 처리에 의한 돼지 혈청 알부민의 항원성 변화

  • Kim, Koth-Bong-Woo-Ri (Faculty of Food Science & Biotechnology/Institute of Food Science, Pukyong National University) ;
  • Kim, Seo-Jin (Faculty of Food Science & Biotechnology/Institute of Food Science, Pukyong National University) ;
  • Lee, So-Young (Faculty of Food Science & Biotechnology/Institute of Food Science, Pukyong National University) ;
  • Song, Eu-Jin (Faculty of Food Science & Biotechnology/Institute of Food Science, Pukyong National University) ;
  • Ahn, Dong-Hyun (Faculty of Food Science & Biotechnology/Institute of Food Science, Pukyong National University)
  • 김꽃봉우리 (부경대학교 식품공학과/식품연구소) ;
  • 김서진 (부경대학교 식품공학과/식품연구소) ;
  • 이소영 (부경대학교 식품공학과/식품연구소) ;
  • 송유진 (부경대학교 식품공학과/식품연구소) ;
  • 안동현 (부경대학교 식품공학과/식품연구소)
  • Published : 2008.10.31
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Abstract

Even though pork have frequently induecd allergic reactions in Korea, few papers have been published on pork allergy. This study was carried out to investigate the changes in allergenicity of porcine serum albumin (PSA) by microwave, sonication, and high hydrostatic pressure (HHP). The binding ability of p-IgG to PSA treated with microwave (1,5, or 10 min) directly decreased with increasing treatment time. Particularly, the binding ability of PSA treated 10 min was about 30%. Immunoblotting assay with p-IgG showed that band of PSA treated microwave directly disappeared at 5 and 10 min. However, the binding ability of PSA was not changed by the microwave treatment without heat. Also the reduction of allergenicity by sonication or HHP treatment was not found. In conclusion. allergenicity of PSA treated with microwave directly decreased with increasing time, therefore these results may be used for development of hypoallergenic pork.

Microwave,초음파 및 초고압 처리에 의한 PSA의 항원성 변화를 살펴본 결과는 다음과 같다. microwave처리에 의한 변화를 알아본 결과 처리시간이 증가함에 따라 PSA와 항체와의 결합력이 감소하였으며 특히 10분 처리 시에 약 30% 정도로 가장 낮은 결합력을 나타내었다. SDS-PAGE 결과에서는 5, 10분 처리 시에 PSA band가 많이 약화되었으며 immunoblotting에서도 5, 10분 처리한 PSA가 항체와 거의 반응하지 않았다. 하지만 열을 배제하고 microwave 처리한 경우에는 처리구 모두 큰 변화 없이 높은 결합력을 유지하였다. 초음파 처리(5, 10, 30 및 60분)에 의한 PSA의 항원성 변화를 살펴본 결과에서는 초음파 처리구 모두 약 78% 정도의 높은 결합력을 보였으나 immunoblotting에서는 초음파 처리한 PSA가 항체와 거의 반응하지 않았다. PSA에 초고압 처리(200, 300 및 400 MPa)한 후 항원성 변화를 살펴본 결과 초고압 처리구 모두 PSA와 항체와의 결합력이 약 98%로 높은 결합력을 유지하였으며 immunoblotting에서도 초고압 처리구의 PSA가 항체와 강하게 결합하였다. 이상의 결과를 종합해 볼 때 열을 배제한 microwave, 초음파 및 초고압 처리는 PSA의 항원성을 감소시키지 못하였으나 열을 배제하지 않은 microwave 처리는 시간이 증가함에 따라 PSA의 항원성을 크게 감소시켰으므로 이를 저 알레르기 돼지고기 식품 개발에 응용할 수 있을 것으로 사료된다.

Keywords

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