Food Science of Animal Resources (한국축산식품학회지)

Korean Society for Food Science of Animal Resources (한국축산식품학회)
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Effects of Curing Temperature and Times on Chemical Properties and Palatability of Cured Boiled Pork Loins

염지 온도와 기간이 삶은 돼지고기 등심의 이화학적 특성과 기호성에 미치는 영향

  • 현재석 (제주산업정보대학 관광식품산업계열) ;
  • 강희곤 (강북한약농수산물검사소) ;
  • 김미숙 (한진상사) ;
  • 정인철 (대구공업대학 식음료조리과) ;
  • 문윤희 (경성대학교 식품공학과)
  • Published : 2003.03.01
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Abstract

The effects of curing temperatures(1, 5 and 10$^{\circ}C$) and times on the chemical properties and palatability of cured pork loins which were cured in the 7% curing solution were investigated. The pork loins cured at 10$^{\circ}C$ curing temperature showed the decreased level of pH and water holding capacity up to 15 days of curing time. The growth of bacteria in the curing solution and surface region of cured loins, cured at 10$^{\circ}C$ were rapid after 12 days of curing. However, bacteria were not detected(<0.05${\times}$10$^2$ CFU/g) in the central region of cured loin until 15 days of curing. The penetration of salt into the central region of cured loins was faster at 10$^{\circ}C$ curing temperature than at lower curing temperatures for all curing times. The difference of salt contents between surface and central regions in the cured loins was less at higher temperature than at lower temperatures, and the difference decreased in boiling process for all curing times. The color fixation of the cured boiled loins was better at 5 and 10$^{\circ}C$ curing temperatures than at 1$^{\circ}C$. The sensory scores for saltiness and flavor of the cured boiled pork loins were higher at higher temperature than at lower temperatures until 9∼12 days of curing. Palatable cured boiled pork loins could be produced under the curing solution at low temperatures of 1 and 5$^{\circ}C$ for 12 and 9 days, respectively.

식염농도 7%의 염지액을 이용하여 돼지고기 등심을 염지할 때에 염지온도와 기간이 염지육의 이화학적 특성과 기호성에 미치는 영향을 검토하였다. 열지온도 1$0^{\circ}C$에서 15일째에 염지육의 pH와 보수력이 현저히 저하되었다. 염지온도 1$0^{\circ}C$에서 염지액과 염지육 표면부위의 일반세균수는 12째에 현저히 많아졌으나 중심부위는 거의 검출되지 않았다. 임시 온도가 높을수록 염지기간에 관계없이 식염 침투가 빠르고 염지육 식염함량이 많아졌으며, 표면부위에 대한 중심분위의 식염함량 비율은 염지기간이 길수록 크게 나타났다. 염지육의 식염함량은 가열에 의하여 적어졌다. 염지 가열육의 짠맛과 풍미는 염지 초기에는 높은 온도에서, 후기에는 낮은 온도에서 우수하였다. 열지 가열육은 1$^{\circ}C$에서 12일, 5$^{\circ}C$에서 9일 염지하여 제조하면 기호성이 우수하였다.

Keywords

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