농업생명과학연구 (Journal of agriculture & life science)

  • 제46권2호
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  • Pages.91-99
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  • 2012
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  • 1598-5504(pISSN)
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  • 2383-8272(eISSN)
경상대학교 농업생명과학연구원 (Institute of Agriculture & Life Science, Gyeongsang National University)
권호 표지

호박분말 급여가 돈육의 품질 특성에 미치는 영향

Effect of Dietary Supplementation with Dried Powder of Pumpkin on Quality Characteristics of Pork

  • 진상근 (경남과학기술대학교 동물소재공학과) ;
  • 양한술 (경상대학교 축산학과(농업생명과학연구원))
  • Jin, Sang-Keun (Dept. of Animal Resources Technology, Gyeongnam National University of Science and Technology) ;
  • Yang, Han-Sul (Dept. of Animal Science, Gyeongsang National Univ.(Insti. of Agric. & Life Sci.))
  • 투고 : 2011.09.16
  • 심사 : 2012.04.27
  • 발행 : 2012.04.30
⟨ 이전 논문 다음 논문 ⟩

초록

본 실험은 호박분말 급여가 돈육의 품질 특성에 미치는 영향을 조사하기 위하여 평균 개시체중 64.5 kg인 총 20두의 3원 교잡종(Landrace${\times}$Yorkshire${\times}$Duroc)을 대상으로 호박분말 급여량을 0, 2, 5 및 7%로 처리구별 5두씩 공시하여 출하전 30일간 급여하였다. 호박분말 급여구에서 높은 수분 함량 및 조지방 함량을 나타내었다. 명도(lightness) 값은 처리구들 간 유의적인 차이가 나타나지 않았으나(p>0.05), 적색도(redness)는 2% 및 7% 호박분말 급여구가 대조구에 비해 유의적으로 높은 값을 나타내었다. 육즙 및 가열감량은 모든 처리구에서 유의적인 차이가 없었으나, 5% 호박분말 급여구에서 높은 pH 및 모든 호박분말 급여구에서 낮은 전단가 값을 나타내었다. 호박분말 급여구에서 대조구에 비해 낮은 콜레스테롤 함량을 보이며, 호박분말 급여수준이 증가할수록 콜레스테롤 함량이 감소하였다. 또한 호박분말 급여구에서 높은 myristic acid(C14:0) 함량을 보인 반면, 2% 및 5% 호박분말 급여구에서 높은 palmitoleic acid(C16:1) 함량 나타내었다. 따라서 호박분말 급여는 돈육의 사후 pH와 수분함량을 높이고, 전단가 및 콜레스테롤 함량을 감소시키는 등 돈육 품질을 개선시키는 것으로 나타났다.

This study was carried out to compare the quality properties of pork loin from pigs fed different levels of pumpkin (Cucurbita spp.) powder. Twenty female pigs (Landrace${\times}$Yorkshire${\times}$Duroc) were fed either a control (commercial diet, based on corn and soybean meal) or the control diet supplemented with 2, 5 and 7% of pumpkin powder for 30 days. Dietary supplementation with pumpkin powder resulted in significantly higher moisture and fat contents in pork loin compared to the control (p<0.05). Dietary supplementation with pumpkin powder led to increased redness, pH and decreased shear force value and cholesterol levels in pork loin (p<0.05). In fatty acid composition, dietary supplementation with 2% or 5% pumpkin powder increased the palmitoleic acid (C16:1) in pork loin. These data suggest that supplementing pig diets with pumpkin powder can produce pork loin with low cholesterol levels and can enhance quality properties because pork loin fed a pumpkin powder-supplemented diet had better moisture, fat contents and tenderness.

키워드

과제정보

연구 과제 주관 기관 : 한국연구재단

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