Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Effect of Aging Time and Cooking Temperature on Physicochemical and Sensory Characteristics of Pork Neck

숙성기간과 조리온도가 돼지 목심육의 이화학적.관능적 특성에 미치는 영향

  • 문윤희 (경성대학교 식품공학과) ;
  • 김영길 (동아대학교 식품과학부) ;
  • 정인철 (대구공업대학 식품공업과)
  • Published : 2001.02.01
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Abstract

The effects of aging time (1, 8 and 15 days) and endpoints cooking temperature (70, 75 and $80^{\circ}C$) on the physicochemical and sensory characteristics of pork neck were evaluated. Pork neck was obtained from the carcass (live weight, 105~110 kg ; grade B) chilled for 24 hours after slaughter. As a aging period became longer, the pH, L value and drip loss became higher while its a value and shear force value (SFV) of raw meat became lower. As a aging period became longer, the cooking loss, hardness, chewiness, SFV became lower, and its tenderness, juiciness and taste became better. However, no difference was observed in the aroma, and the one aged for 8 days in the cooked meat showed the best palatability. Increasing endpoint cooking temperature from 70 to $80^{\circ}C$ increased hardness, SFV and taste, and decreased chewiness, sensory tenderness and juiceness (p<0.05). However, it had no effect on the cohesiveness. Also, the one for which the endpoint cooking temperature became $75^{\circ}C$ in the cooked meat showed the best springiness, aroma and palatability.

도축 후 장시간 냉장한 돼지 지육(생체중량 105~110 kg, B등급)에서 목심부위를 취하여 $1^{\circ}C$에서 1, 8 및 15일 숙성한 것과, 육의 중성 온도가 70, 75 및 $80^{\circ}C$가 되도록 가열한 것에 대하여 이화학적.관능적 특성을 조사하였다. 숙성기간이 길어짐에 따라 생육의 pH와 $L^{*}$(lightness)값이 높아지고, VBN 함량과 육즙 손실량이 많아진 반면 $a^{*}$(redness)값과 전단력 값은 낮아졌다. 숙성기간이 걸어짐에 따라 가열육의 경도, 저작성 및 전단력값은 낮아지고 가열감량이 적어졌으며, 연도, 다즙성 및 맛이 좋아졌으나 가열육 향기의 차이는 없고, 탄력성과 종합적인 기호성은 숙성 8일째의 것이 가장 우수하였다. 중심온도를 높게 가열할수록 경도, 저작성 및 전단력값은 높아지고 가열감량이 많으며 연도와 다즙성이 나빠졌다. 그리고 탄력성, 가열육의 향기 및 종합적인 기호성은 중심온도가 $75^{\circ}C$ 되도록 가열한 것이 가장 우수하였다.

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