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Effects of Vacuum Packaging on the Quality Characteristics of Frozen Tteokgalbi Made from Spent Laying Hen Meat and Mechanically Deboned Chicken Meat

산란 성계육과 기계발골 계육으로 제조된 냉동 떡갈비의 품질에 미치는 진공포장 효과

  • Song, Gi-Chang (Gyun-woo food) ;
  • Kim, Hyeong-Jun (Department of Food Processing and Distribution, Gangneung-Wonju National University) ;
  • Lee, Keun-Taik (Department of Food Processing and Distribution, Gangneung-Wonju National University)
  • 송기창 (주식회사 견우푸드) ;
  • 김형준 (강릉원주대학교 식품가공유통학과) ;
  • 이근택 (강릉원주대학교 식품가공유통학과)
  • Received : 2017.03.14
  • Accepted : 2018.04.27
  • Published : 2018.04.30

Abstract

This study aimed to investigate the effects of vacuum packaging on the quality characteristics of frozen Tteokgalbi made from spent laying hen meat and mechanically deboned chicken meat (MDCM). The samples were prepared with different levels of added MDCM; C (0%), T1 (20%), T2 (40%), and T3 (60%). The samples were allocated for microbiological and physico-chemical analyses after 0, 45, and 90 days at $-18^{\circ}C$, with or without vacuum packaging. After 90 days of storage, the values of volatile basic nitrogen were significantly lower in the vacuum packaged samples compared to the non-vacuum samples, irrespective of the added levels of MDCM (p<0.05). Sensory results at day 0 of storage showed that the texture scores of C and T1 samples were significantly higher than those of T2 and T3, while the flavor scores were the lowest for the T3 samples (p<0.05). In addition, with increased storage duration, the texture and flavor attributes of the vacuum-packaged samples were found to be higher than those of non-vacuum samples. In general, the vacuum-packaged samples tended to show superior physico-chemical quality characteristics compared to the non-vacuum samples, when the storage time was extended up to 90 days.

본 연구에서는 냉동 산란 성계육을 이용하여 떡갈비를 제조함에 있어서, MDCM의 다양한 첨가 수준에 따른 품질 특성 차이와 함기 및 진공포장으로 포장형태를 달리하여 3개월 간 냉동저장($-18^{\circ}C$)하는 과정 중 제품의 품질 변화를 파악하였다. 기계골발 계육을 20% 첨가 시 품질적으로 대조구와 뚜렷한 차이가 없는 떡갈비 제품의 개발 가능성을 확인하였다. 냉동 상태에서는 미생물과 효소의 활성이 매우 낮기 때문에 부패 및 산화적 대사에 의한 떡갈비 제품의 품질 저하가 크지 않을 것으로 추측된다. 그럼에도 불구하고, 기계적으로 압착 및 골발육이 포함된 산란 성계육 떡갈비 제품의 경우에는 3개월이상 장기 냉동 저장시 단백질 분해 및 조직감과 관능학적 품질 등의 저하를 최소한으로 유지시키기 위하여 진공포장하는 것이 바람직한 것으로 확인되었다.

Keywords

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