Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Proximate Composition and Physico-chemical Characteristics of Berkshire Pork by Gender

성별에 따른 버크셔 돈육의 일반성분 및 이화학적 특성

  • Hah, Kyung-Hee (National Livestock Research Institute) ;
  • Kim, Il-Suk (Department of Animal Resources Technology, Jinju National University) ;
  • Jin, Sang-Keun (Department of Animal Resources Technology, Jinju National University) ;
  • Nam, Young-Wook (Department of Animal Resources Technology, Jinju National University) ;
  • Cho, Ju-Hyun (Department of Animal Resources Technology, Jinju National University)
  • 하경희 (농촌진흥청 축산연구소) ;
  • 김일석 (진주산업대학교 동물소재공학과) ;
  • 진상근 (진주산업대학교 동물소재공학과) ;
  • 남영욱 (진주산업대학교 동물소재공학과) ;
  • 조주현 (진주산업대학교 동물소재공학과)
  • Published : 2007.06.30
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Abstract

This study was conducted to investigate the proximate composition and physico-chemical characteristics of Berkshire pork by gender. A total of 40 pigs(60 kg) were divided into 2 groups(gilt and barrow) and raised to 110 kg of live weight. pigs were conventionally slaughtered, and then chilled overnight. Pork loin(longissimus dorsi) muscle was removed from each left side and meat qualities were evaluated. The proximate composition was no different between genders, and the pH was higher iii the barrow group(p<0.05). The water holding capacity, cooking loss, shear force, and cholesterol content were no different between genders. With regard to meat color, the $L^*$ value was higher in the barrow group(p<0.05), but the $a^*\;and\;b^*$ values were no different between genders. The fat color was also no different between genders. The texture properties, brittleness, hardness, and gumminess of the gilt group were higher than those of barrow group(p<0.05), but cohesiveness, springiness, and chewiness were no different. In conclusion, the pH and $L^*$ values of the barrow group were higher than those of gilt group, and tenderness was higher in the barrow group.

본 연구는 버크셔종의 성별에 따른 육질 특성을 파악하고자 실시되었으며, 60일령의 Berkshire 40두를 2 돈방에 암컷과 거세돼지 각각 20두씩 배치하여 출하 시(약 110 kg)까지 비육한 후 도축하여 실험에 공시하였다. 일반성분은 성 간에 차이를 보이지 않았고, pH는 암퇘지보다 거세돼지가 높게 나타났다(p<0.05). 보수력, 가열감량, 전단가 및 콜레스테롤 함량은 성 간에 차이를 보이지 않았다(p>0.05). 육색의 밝기를 나타내는 명도는 암퇘지보다 거세돼지가 높게 나타났으나(p<0.05), 적색도와 황색도는 유의적인 차이를 나타내지 않았으며, 지방색도 성 간에 차이를 보이지 않았다(p>0.05). 돈육의 물리적인 특성 중 표면경도, 경도, 검성은 암퇘지보다 거세돼지가 더 낮게 나타났으나(p<0.05), 응집성, 탄력성 및 씹힘성은 성 간에 유의적인 차이는 나타나지 않았다(p>0.05). 종합적으로 볼 때 암퇘지에 비해 거세돼지 육이 pH와 명도가 높고 표면경도, 경도 및 검성이 낮아 부드러운 조직을 나타내었다.

Keywords

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