Journal of Animal Science and Technology

Korean Society of Animal Sciences and Technology (한국축산학회)
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Quality Comparison of M. longissimus from Crossbred Wild Boars, Korean Native Black Pigs and Modern Genotype Pigs during Refrigerated Storage

멧돼지 교잡종육, 재래 흑돼지육, 개량종 돼지육의 냉장저장중 품질비교

  • Kang, S.M. (Department of Animal Product and Food Science, Kangwon National University) ;
  • Lee, S.K. (Department of Animal Product and Food Science, Kangwon National University)
  • 강선문 (강원대학교 동물식품응용과학과) ;
  • 이성기 (강원대학교 동물식품응용과학과)
  • Published : 2007.04.30
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Abstract

This study was carried out to investigate the quality comparison of M. longissimus from 4 crossbred wild boars(wild boar ♂×Duroc ♀, 113kg, 1 barrow and 3 gilts, CWB) reared outdoor, 5 Korean native black pigs(64kg, 5 barrows, KNP) and 5 modern genotype pigs(Landrace×Yorkshire×Duroc, 114kg, 5 barrows, MGP) reared indoor. The samples were stored at 2±0.2℃ for 12 days and utilized in the quality measurement. The moisture content was significantly higher in CWB than in KNP(p<0.05), however crude fat content was significantly lower in CWB than in KNP(p<0.05). The pH value of CWB was significantly lower than that of MGP during 12 days of storage(p<0.05). Therefore the CWB showed significantly lower water-holding capacity than MGP(p<0.05). The L*, a*, b* and C* values of CWB were significantly lower than those of KNP during 12 days of storage(p<0.05), however those of CWB were significantly higher than those of MGP after 3 and 6 days of storage(p<0.05). In fatty acid composition, the CWB had higher unsaturated fatty acid including linoleic acid, arachidonic acid and lower saturated fatty acid. However, the lipid oxidation of CWB was delayed during storage compared with KNP and MGP. The aroma patterns by principal component analysis(PCA) from electronic nose was discriminately different among 3 different pork at 0 and 12 day of storage.

본 연구는 멧돼지 교잡종육과 재래 흑돼지육, 개량종 돼지육의 냉장저장중 품질을 비교하고자 실시하였다. 방목사육된 멧돼지 교잡종(멧돼지 ♂×Duroc ♀, 평균 113kg, 거세돈 1두 및 미경산돈 3두) 4두와 옥내사육된 재래 흑돼지 5두(평균 64kg, 거세돈 5두) 및 개량종 돼지 5두(Landrace×Yorkshire×Duroc, 평균 114kg, 거세돈 5두)를 도축한 다음 등심(M. longssimus) 부위를 2±0.2℃에서 12일 동안 저장하면서 품질분석에 이용하였다. 수분 함량은 멧돼지 교잡종육이 재래 흑돼지육보다 높았으나(p<0.05), 조지방 함량은 낮았다(p<0.05). pH는 멧돼지 교잡종육이 저장기간 동안 개량종 돼지육보다 낮았으며(p<0.05), 그에 따라 낮은 보수력을 보였다(p<0.05). 표면육색은 멧돼지 교잡종육의 L*, a*, b*, C* 값이 저장기간 동안 재래 흑돼지육보다 낮았던 반면(p<0.05), 저장 3, 6일부터는 개량종 돼지육보다 높았다(p<0.05). 지방산 조성은 멧돼지 교잡종육이 타품종 돈육에 비해 포화지방산 함량이 낮고(p<0.05), linoleic acid와 arachidonic acid를 포함한 다가불포화지방산이 높았음에도 불구하고 저장기간 동안 지방산화는 지연되었다. 전자코의 PCA에 의한 향기패턴은 저장 0, 12일에 세 품종의 돈육간에 뚜렷한 차이를 보였다.

Keywords

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