Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
권호 표지

Physico-Chemical Characteristics of Crossbred Pigs with Carcass Grade

교잡종 돼지에서 도체등급에 따른 돈육의 이화학적 특성 변화

  • 진상근 (진주산업대학교 동물생명산업지역협력연구센터) ;
  • 김일석 (진주산업대학교 동물소재공학과) ;
  • 송영민 (진주산업대학교 동물소재공학과) ;
  • 허선진 (진주산업대학교 동물소재공학과) ;
  • 하경희 (진주산업대학교 동물생명산업지역협력연구센터) ;
  • 김회윤 (진주산업대학교 동물소재공학과) ;
  • 류현진 (진주산업대학교 동물소재공학과) ;
  • 하지희 (진주산업대학교 동물소재공학과) ;
  • 김병우 (경상대학교 축산과학부)
  • Published : 2004.09.01
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Abstract

The objective of this study was to determine the changes of physico-chemical characteristics in crossbred pigs (Korean native breed ${\times}$ Landrace breed) by carcass grade. Research was conducted on 250 pigs divided into 5 carcass grade groups. Cooking loss have significantly (p<0.05) higher in higher carcass grade. However, water content, crude fat, pH and shear force have no difference. In meat color, a＊ was significantly (p<0.05) higher in C and D grade, whereas A grade was lower than those of others. L＊ and b＊ did not different among the carcass grades. In fat color, A and E grade were significantly (p<0.05) higher in b＊ and, C was lower than those of others. Adhesiveness and Gumminess of cooked meat were significantly (p<0.05) higher when carcass grade was higher. However hardness, cohesiveness, springiness and brittleness were not different among the carcass grades. Palmitic acid was significantly (p<0.05) higher in higher carcass grades and, saturated fatty acid/unsaturated fatty acid ratio was lower, whereas other fatty acids compositions had no difference among the carcass grades.

재래돼지 수컷과 랜드레이스 암컷을 교배하여 생산된 돼지 250두의 등급에 따른 돼지의 도체 특성과 돈육의 이화학적 특성을 비교한 결과는 다음과 같다. 생체중, 도체중, 지육율 및 등지방 두께는 E등급이 다른 네 등급에 비하여 유의적으로(P<0.05) 낮게 나타났다. 등급이 높을수록 가열 감량은 유의적으로(P<0.05) 많았으며, 수분 및 조지방 함량, PH 및 전단가는 등급간에 차이를 보이지 않았다. 육색 a＊값은 C와D등급이 유의적으로 가장 높았으며, A등급이 유의적으로 가장 낮게 나타났으나 L＊값과 b＊값은 등급간에 차이를 보이지 않았다. 지방색 b＊값은 A와 E 등급이 유의적으로 가장 높게 나타났으며, C 등급이 유의적으로(P<0.05) 가장 낮게 나타났으나 L＊값과 a＊ 값은 등급간에 차이를 보이지 않았다. 가열육의 부착성과 씹힘성은 등급이 높을수록 유의적으로 (P<0.05)높게 나타났으나 경도, 응집성, 탄력성 및 파쇄성은 등급간에 차이를 보이지 않았다. 지방산조성은 등급이 높을 수록 palmitic산 함량이 유의적으로(P<0.05) 높고 불포화지방산/포화지방산 비율은 유의적으로(P<0.05) 낮게 나타났으며, 기타 다른 지방산들은 등급간에 유의적인 차이를 보이지 않았다.

Keywords

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