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Effects of Salt Concentrations of Curing Solution on Myofibrillar Protein Extractability, Fragmentation, Water Holding Capacity, Salt Contents and Palatability of Cured Pork Loins

염지액의 식염농도와 염지기간이 돼지고기의 염용성단백질의 추출성, 소편화, 보수력, 식염함량 및 기호성에 미치는 영향

  • 문윤희 (경성대학교 식품공학과) ;
  • 김영길 (동아대학교 식품공학과) ;
  • 현재석 (제주산업정보대학 관광식품산업계열) ;
  • 이종호 (대림대학 호텔외식산업경영학과) ;
  • 정인철 (대구공업대학 식음료조리과)
  • Published : 2002.12.01

Abstract

In this study, pork loin was cured for 20 days in the 2$^{\circ}C$ curing solution with the salt concentration of 3, 5, 7 and 9% respectively, and the effects of salt concentration and curing time on myofibrillar protein extractability (MPE), myofibrillar fragmentation index (MFI), water holding capacity (WHC), salt content, and palatability of pork loin were investigated. The pork loin cured in the 3, 5 and 7% curing solution showed the increased level of MPE and WHC up to 20 days of curing time, and the increased level of MFI up to 16 days of curing time. Also those values increased with the increasing salt concentration, regardless of the curing time. The pork loin cured in the 9% curing solution did not show any consistency in the results. The boiled cured pork loin showed better color up to 16 days of curing time, as the salt concentration of curing solution increased. The color of pork loin cured in the 3% curing solution was not uniform. The pork loin cured in the 9% curing solution showed good color, but its flavor and palatability were unacceptable. The palatability of pork loin could be improved significantly by curing it in the 5% curing solution for 16 days, and in the 7% curing solution for 12 days.

식염농도를 3, 5, 7 및 9%로 각각 조제한 2$^{\circ}C$의 염지액에 등심고기를 20일간 염지하면서 식염농도와 염지기간이 근원 섬유단백질의 추출성과 소편화도, 보수력, 식염함량 및 기호성에 미치는 영향을 검토하였다. 식염농도 3, 5 및 7%의 염지액에 염지한 등심고기 근원섬유단백질의 추출성과 보수력은 염지 20일까지, 근원섬유 소편화도는 염지 16일까지, 모두 식염농도가 높을수록 점점 높게 나타났으며, 9%의 염지액에 염지한 것은 일정한 경향을 보이지 않았다. 가열육의 색도는 염지액의 식염농도가 높을수록, 그리고 염지 16일까지 점점 양호하게 나타났다 염지액의 식염농도 3%에서는 염지육의 발색이 균일하게 되지 않았으며, 9%에서는 발색이 잘 되었으나 풍미와 종합적인 기호성이 좋지 않았다. 등심고기는 염지액의 식염농도5%에서 16일, 또는 7%에서 12일 염지하면 기호성이 우수하게 되었다.

Keywords

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