가속실험을 이용한 상업적 멸균처리 한식 탕반류의 유통기한 평가

The prediction of shelf-life of Commercially Sterilized Korean Soups using accelerated experiment

  • 한경수 (경기대학교 관광학부 외식조리전공) ;
  • 이은정 (경기대학교 관광학부 외식조리전공) ;
  • 홍상필 (한국식품연구원)
  • Han Kyung-Soo (Department of Culinary Management, College of Tourism, Kyonggi University) ;
  • Lee Eun-Jung (Department of Culinary Management, College of Tourism, Kyonggi University) ;
  • Hong Sang-Pil (Korea Food Research Institute)
  • 발행 : 2005.04.01

초록

육개장, 사골우거지탕, 갈비탕 및 설렁탕을 진공포장하고 $121^{\circ}C$, 30분 멸균 처리하여 $37^{\circ}C$에서 21일간 저장하면서 이화학적, 미생물학적 및 관능적 품질에 대한 평가를 실시하여 shelf-life를 설정하고자 하였다. 탕반류의 가속저장실험에서 $37^{\circ}C$ 저장 중 표준평판균 수가 나타나지 않고 pH, TBA가 및 색도에 큰 변화가 없으며 관능평가 점수가 7점 이상인 저장일수는 육개장 7일, 사골우거지탕 14일, 갈비탕 7일, 설렁탕은 21 일로 평가되었고 $Q_10$값을 2.5로 가정시, $5^{\circ}C$ 냉장저장 에서는 육개장과 갈비탕은 109일, 사골우거지탕은 219 일, 설렁탕은 328일 유통이 가능하고, $10^{\circ}C$에서는 육개장, 갈비탕은 69일, 사골우거지탕은 138일, 설렁탕은 207일, $25^{\circ}C$에서는 육개장, 갈비탕은 18일, 사골우거지탕은 35일, 설렁탕은 53일로 계산되어 진공포장하여 멸균($121^{\circ}C$, 30분)된 탕반류는 $10^{\circ}C$ 이하에서 상업적인 유통이 가능할 것으로 평가되었다.

The objective of this research was to estimate the shelf-life of 4 kinds of Korean soup (Yukkaejang, Sagol-woogeojitang, Kalbitang, and Seolleongtang), under an accelerated experiment, based on the changes in the selected physico-chemical, microbiological and sensory characteristics. The 4 kinds of Korean soup (Yukkaejang, Sagol-woogeojitang, Kalbitang and Seolleongtang) were 1.sated at $121^{\circ}C$ for 30 min. and the shelf life was evaluatedthrough accelerated experiment, based on tile changes in the physico-chemical, microbiological and sensory characteristics. No viable cells were detected in any of the treatments and no significant differences were shown in pH, TBA and Hunter's color values for 3 weeks at $37^{\circ}C$. The periods found to be acceptable by sensory evaluation were 1 days for Yukkaejang and Kalbitang, 14 days for Sagol-woogeojitang, and 21 days for Seolleongtang. For an assumed $Q_10$ value of 2.5, shelf-life was predicted as 109 days for Yukkaejang and Kalbitang, 219 days for Sagol-woogeojitang, an d 328 days for Seolleongtang at $5^{\circ}C$, suggesting that these 4 kinds of Korean soup are suitable for commercial distribution.

키워드

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