Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Effects of Dietary Onion Supplementation of on the Physicochemical Properties of Duck Meat

양파의 급여가 오리고기의 이화학적 특성에 미치는 영향

  • 송영민 (진주산업대학교 동물소재공학과) ;
  • 진상근 (동물생명산업지역협력연구센) ;
  • 김일석 (진주산업대학교 동물소재공학) ;
  • 조용조 (경상남도 농업기술원 양파연구) ;
  • 김회윤 (진주산업대학교 동물소재공학) ;
  • 하경희 (진주산업대학교 동물소재공학) ;
  • 남기윤 (진주산업대학교 동물소재공학과)
  • Published : 2004.03.01
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Abstract

The study was conducted to investigate the effect of dietary onion supplementation on physicochemical properties of duck meat. The ducks were raised for 38 days(1,500 g of live weight) in rice paddle and slaughtered. Samples including breast and leg were stored at 4$^{\circ}C$ for 12hrs and then used as experimental materials. The ducks were allotted into 3 treatments(C-0%, T1-3%, T2-6%) according to dietary supplementation of onion. The ducks meat were stored at 4${\pm}$1$^{\circ}C$ for 12hrs. In proximate analyses, the moisture, crude protein and crude ash of breast muscle were significantly increased(p<0.05) with increasing onion percentages but crude fat content was significantly decreased(p<0.05). The moisture and crude protein of leg muscles were significantly increased(p<0.05) with increasing onion percentages but crude fat and crude ash were significantly decreased(p<0.05). The pH of breast muscle was significantly decreased(p<0.05) with increasing onion percentages, the pH of leg muscle was be highest in T1(p<0.05). Water holding capacity(WHC) significantly increased(p<0.05) with increasing onion percentage in both muscles. Hunter L＊ was significantly decreased with increasing onion percentage in breast muscles while Hunter b＊ significantly increased(p<0.05). In fatty acids composition of duck meat, mono-unsaturated fatty acid(MUFA) significantly decreased(p<0.05) while poly-unsaturated fatty acid(PUSFA) and EFA(essential fatty acid) were significantly high(p<0.05) with increasing onion percentage.

오리 농법으로 재배되고 있는 논에 양파를 급여한 오리를 배치하여 38일간 사육한 생체중 1,500 g인 60수의 오리고기에 대한 이화학적 품질특성을 조사하였다. 처리구는 교잡종오리(청둥오리${\times}$집오리)를 3처리구로 나누어 20수씩 총 60수를 배치하였고, 시험사료는 대조구(C, 0%), 처리1구(Tl, 3%)및 처리2구(T2, 6%)로 나누었다. 시험에 공시된 시료는 4$\pm$1$^{\circ}C$ 냉장고에서 12시간 보관한 후에 분석에 이용되었으며 그 결과는 다음과 같다. 일반성분 분석에서 가슴육은 양파의 첨가량이 증가할수록 수분, 조단백질, 조회분이 높았으나(p＜0.05), 조지방은 낮았다(p＜0.05). 다리육에서는 양파의 첨가량이 증가할수록 수분과 조단백질은 높았지만(p＜0.05), 조지방과 조회분은 낮았다(p＜0.05). pH는 양파의 첨가량이 증가할수록 가슴육은 낮았고(p<0.05), 다리육은 T1구가 가장 높았다(p＜0.05). 보수력(WHC)은 가슴육과 다리육에서 양파의 첨가량이 증가할수록 높았다(p＜0.05). 육색은 양파의 첨가량이 증가할수록 가슴육의 L＊값(백색도)은 낮았고(p＜0.05), b＊값(황색도)은 높았다(p＜0.05). 지방산조성에 있어서 단일불포화지방산(MUSFA)는 낮아졌지만(p＜0.05), 다가불포화지방산(PUSFA)과 필수지방산(EFA)는 양파의 첨가수준이 증가할수록 높았다(p＜0.05).

Keywords

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