Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Comparison of Pork Quality by Different Berkshire Line

버크셔 계통조성돈의 육질 특성비교

  • Received : 2010.03.22
  • Accepted : 2010.10.19
  • Published : 2010.10.31
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Abstract

Objective of this study was to develop a Korean Berkshire line produced using organized management techniques. A total of 448 pigs divided into five line groups were slaughtered and analyzed for their meat quality. $pH_{45}$ values were significantly higher in lines 1~4 (pH 6.08). However, $pH_{24}$ values were lower in line 1 (pH 5.69) and line 3 (pH 5.65) (p<0.05) than in the other lines. Moisture contents were significantly higher in line 5, and the intramuscular fat contents (3.07%) were significantly higher in the other four lines. Water holding capacity (WHC) was higher for line 3 (58.36%) while Warner-Bratzler shear force (WBS) values were significantly higher for line 4 (2.84 kg/$0.5inch^2$) than in the other lines (p<0.05). For meat color properties, L values (CIE L) were 51.59 for line 5, and this value was higher than the other lines. There were no significant differences in $a^*$ values and $b^*$ values among the five lines (p>0.05). Therefore, line 5 was selected as the growth type, whereas line 4 was selected as the Korean Berkshire line that produced pork significantly higher in pH and significantly lower in meat color (lightness), drip loss, and WBS.

체계적인 종돈관리와 우리의 식문화 특성을 고려하여 육질이 우수한 버크셔 계통조성을 위하여 총 8농장에서 종돈을 구입하여 유전적인 교류 유무에 따라 총 448두의 버크셔를 가계에 따라 5계통으로 분류하고 도축하여 육질을 비교한 결과 도축 후 45분 pH($pH_{45\;min}$)는 성장계통이 6.08로 육질 1계통과 3계통에 비하여 유의적으로 높았지만, 사후 24시간 pH($pH_{24\;h}$)는 육질 1계통과 계통5가 각각 5.69, 5.65로 유의적으로 낮았다. 수분함량은 계통5가 가장 높았고, 근내지방 함량은 계통 4가 3.07%으로 높았다. 보수력은 계통 3이 58.36%로 가장 높았고, 전단력은 계통 4가 2.84 kg로 가장 낮았다(p<0.05). 육색 명도(CIE L) 값에서는 계통5가 51.59로 다른 계통들에 비하여 유의적으로 높았고, 적색도(a)와 황색도(b)는 유의적인 차이를 보이지 않았다. 전반적인 결과를 볼 때 육질 측면에서 계통 4가 근내지방 함량과 pH가 높고, 육색 명도, 드립감량, 전단력가가 낮아 육질형, 계통 5는 성장형으로서의 한국형 버크셔 계통조성에 활용성이 높을 것으로 판단되었다.

Keywords

References

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