Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Quality Comparison of Emulsion- Type Sausages Made from Rhus verniciflua Stokes Fed Pork and Extract

옻 급여 돈육과 추출물로 제조한 유화형 소시지의 품질 비교

  • Lee Sung Ki (Dept. of Food Science and Technology in Animal Resources, Kangwon National University) ;
  • Kang Sun Moon (Dept. of Food Science and Technology in Animal Resources, Kangwon National University) ;
  • Kim Yong Sun (Institute of Animal Resources, Kangwon National University) ;
  • Kang Chang Gie (Dept. of Food Science and Technology in Animal Resources, Kangwon National University)
  • 이성기 (강원대학교 축산식품과학과) ;
  • 강선문 (강원대학교 축산식품과학과) ;
  • 김용선 (강원대학교 동물자원공동연구소) ;
  • 강창기 (강원대학교 축산식품과학과)
  • Published : 2005.06.01
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Abstract

This study was designed to evaluate the quality comparison of emulsion-type sausages made from different Rhus verniciflua Stokes (RVS) sources. The pigs were fed a supplemented concentrate diet with a RVS supplement of $4\%$ feed for 5 weeks before slaughter. The RVS extract was prepared from 100g of RVS sawdust and 1L of distilled water for 48 hours. Emulsion-type sausages were made using lean meat or dietary RVS han1 lean $(51.07\%)$, ice water or RVS extract $(19.63\%)$, back fat $(26.60\%)$ and other additives $(2.70\%)$. The treated sausages were divided into non-dietary meat with water (T1, Control), dietary RVS meat with water (T2), non-dietary meat with RVS extract (T3), and dietary meat with RVS extract (T4). The crude fat was significantly lower (p<0.05) in dietary RVS meat-added sausages (T2, T4) than in control sausage (T1). The lightness ($L^{\ast}$) and redness ($a^{\ast}$) were significantly lower (p<0.05) in RVS extract-added sausages (T3, T4) during refrigerated storage. The $a^{\ast}$ value was higher (p<0.05) in T2 than in the other treatments. The VBN and TBARS values were significantly lower in RVS extract-added sausages (T3, T4) during refrigerated storage. The hardness, adhesiveness, gumminess, and chewiness were significantly lower (p<0.05) in T2 than in the other treatments. This results showed that feeding of RVS in diet and/or RVS extract had a significant impact on the quality of emulsion-type sausage. The RVS extract-added emulsion-type sausages (T3, T4) showed dark and reddish color although they were more effective in delaying the protein deterioration and lipid oxidation. Consequently, the sausage prepared from pigs fed $4\%$ RVS with water (T2) was more effective in increasing the $a^{\ast}$ value, textural properties, and delaying the protein deterioration, lipid oxidation than that without RVS in diet.

아질산염을 배제한 상태에서 옻 급여 돈육과 옻 추출액을 이용하여 제조한 소시지들의 품질을 비교함으로서 옻나무의 기능성을 구명하고자 실시하였다. 원료육으로 일반 개량종 암돈과 도축 전 5주 동안 옻나무 사료를 $4\%$ 급여한 암돈의 뒷다리 부위를 각각 이용하였다. 처리구로 일반 돈육에 물을 첨가하여 제조한 소시지를 T1(대조구)으로 하였으며, 옻 급여 돈육에 물로 제조한 소시지를 T2, 일반 돈육에 옻 추출액으로 제조한 소시지를 T3, 옻 급여 돈육에 옻 추출액으로 제조한 소시지를 T4로 구분하였다. 옻 급여 원료육이 대조구육에 비해 조지방 함량이 낮았으며(p<0.01),육색이 검붉고 pH가 높았다(p<0.001). 옻 추출액으로 제조한 소시지(T3, T4)는 어둡고 갈색을 나타냈지만, 옻 급여 돈육과 물을 첨가하여 제조한 소시지(T2)의 육색은 저장기간 동안 자고 붉은 색을 나타내었다. 옻 급여 돈육으로 제조된 소시지(T2)의 저장 중 TBARS와 VBN은 대조구보다 억제되었으며, 옻 추출액을 첨가하여 제조한 소시지(T3, T4)에서 현저하게 억제되었다. 조직감은 처리구마다 저장기간에 따른 변화는 없었지만 옻 급여 돈육(T2)으로 제조한 소시지에서 높은 경도, 점착성, 뭉침성, 씹힘성을 나타내었다(p<0.05). 결론적으로 옻 급여 돈육에 물을 첨가하여 제조한 소시지(T2)가 저장 중 색깔이 가장 붉고 지방산화 및 단백질의 부패가 억제되었으며 조직감이 단단하여 품질이 가장 우수한 것으로 나타났다.

Keywords

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