Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effect of Gamma Irradiation on Physicochemical and Sensory Properties of Restructured Pork Jerky

감마선 조사가 재구성 돈육포의 이화학적 및 관능적 품질에 미치는 영향

  • Oh, Jong-Suk (Dept. of Food and Nutrition, Sunchon National University) ;
  • Han, In-Jun (Dept. of Food and Nutrition, Sunchon National University) ;
  • Park, Jin-Gyu (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Park, Jae-Nam (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Song, Beom-Seok (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Kim, Jae-Hun (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Byun, Myung-Woo (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute) ;
  • Chun, Soon-Sil (Dept. of Food and Nutrition, Sunchon National University) ;
  • Lee, Ju-Woon (Team for Radiation Food Science and Biotechnology, Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute)
  • 오종숙 (순천대학교 식품영양학과) ;
  • 한인준 (순천대학교 식품영양학과) ;
  • 박진규 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학팀) ;
  • 박재남 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학팀) ;
  • 송범석 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학팀) ;
  • 김재훈 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학팀) ;
  • 변명우 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학팀) ;
  • 전순실 (순천대학교 식품영양학과) ;
  • 이주운 (한국원자력연구원 정읍방사선과학연구소 방사선식품생명공학팀)
  • Published : 2008.03.31
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Abstract

This study was carried to investigate effects of gamma irradiation on the moisture, crude protein, crude lipid, 2-thiobarbituric acid (TBA) values, color stability, texture, and sensory properties of restructured pork jerky. Restructured pork jerky was irradiated at dose levels of 0, 3, 5, 7 and 10 kGy with a use Co-60 source. There were no significant differences in the moisture, crude protein, crude lipid contents, and TBA values. However, as doses of gamma irradiation increased, the redness (a-value) of restructure pork jerky increased whereas shear force of restructure pork jerky was decreased by gamma irradiation. Sensory evaluation showed that sensory scores were reduced by gamma irradiation. Therefore, gamma irradiation could be an effective means to improve color and texture of restructured pork jerky, but only with proper consideration for sensory quality.

본 연구는 감마선 조사가 재구성 돈육포의 이화학적 및 관능적 품질에 미치는 영향을 파악하고자 0, 3, 5, 7, 10 kGy 선량으로 조사된 재구성 돈육포의 일반성분, 지방산패도, 색도, 전단력 및 관능검사를 실시하였다. 일반성분 분석 결과에서 감마선 조사에 따른 수분, 조단백, 조지방의 함량 및 TBA값의 변화는 없었다. 그러나 색도 측정 결과 적색도인 a값이 유의적으로 증가함을 확인할 수 있었다(p<0.05). 전단력 측정 결과 조사선량이 증가할수록 전단력은 낮아졌으며, 관능검사 결과 모든 조사구에서 유의적인 차이를 보였다(p<0.05). 관능평가에서 기호도는 감마선 조사에 의해 낮아졌다. 따라서 재구성 돈육포에 있어 감마선의 조사는 육색 및 조직감을 개선시킬 수 있는 좋은 수단이나 관능적 개선을 위한 추가적인 연구가 필요하였다.

Keywords

References

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