Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Sensory Properties of $Kalopanax$ $pictus$ and $Cedrela$ $sinensis$ Shoots under Different Blanching Conditions and with Different Thawing Methods

엄나무와 참죽 햇순의 blanching 조건 및 해동방법에 따른 관능품질 특성

  • Kim, Min-Ha (Department of Food Science and Nutrition, Yeungnam University) ;
  • Park, Seo-Yeon (Department of Food Science and Nutrition, Yeungnam University) ;
  • Jeong, Yong-Jin (Department of Food Science and Technology, Keimyung University) ;
  • Yoon, Kyung-Young (Department of Food Science and Nutrition, Yeungnam University)
  • 김민하 (영남대학교 식품영양학과) ;
  • 박서연 (영남대학교 식품영양학과) ;
  • 정용진 (계명대학교 식품가공학과) ;
  • 윤경영 (영남대학교 식품영양학과)
  • Received : 2011.12.09
  • Accepted : 2012.03.09
  • Published : 2012.04.30
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Abstract

The sensory properties of $Kalopanax$ $pictus$ and $Cedrela$ $sinensis$ shoots were analyzed according to their blanching conditions and the thawing methods used. For the Hunter colors, the $K.$ $pictus$ that was blanched without adding salt for 6 min had the highest L value, and the $C.$ $sinensis$ that was blanched with 1% salt for 6 min had the highest L value. The chlorophyll content of $K.$ $pictus$ was 141.1 mg% when it was blanched for 3 min with 2% salt, and the chlorophyll content of $C.$ $sinensis$ that was blanched without adding salt for 6 min was highest (124.8 mg%). When $K.$ $pictus$ and $C.$ $sinensis$ were blanched without salt addition for 3 min, their texture showed a higher value than that of the other samples. The sensory test result showed the highest overall preference for the sample that was blanched without adding salt for 3 min, among all the samples. The L value of the $K.$ $pictus$ that was thawed in a microwave oven was significantly higher than that of the other samples, but the L value of the $C.$ $sinensis$ that was thawed at $4^{\circ}C$ was higher than that of the other samples. As for the overall preference for the samples according to the thawing method used, $K.$ $pictus$ and $C.$ $sinensis$ scored highest in the case of thawing in a microwave oven.

본 연구는 엄나무와 참죽 햇순의 blanching 조건을 제시하기 위해 blanching 온도와 식염의 농도에 따른 품질 변화와 관능적 특성을 평가하였다. 또한 해동방법에 따른 이화학적 및 관능적 특성을 평가하여 엄나무와 참죽 햇순의 품질을 향상시킬 수 있는 해동방법을 제시하고자 하였다. 엄나무와 참죽 햇순은 식염 첨가량(무첨가, 1%, 2%)과 blanching 시간(3분, 6분)을 달리하여 blanching하였으며, 해동은 저온($4^{\circ}C$), 상온($25^{\circ}C$), microwave를 이용하였다. Blanching 조건에 따른 색도, chlorophyll 함량, texture 측정 및 관능검사를 실시한 결과, 엄나무와 참죽 햇순은 $95^{\circ}C$, 식염 첨가 없이 3분간 blanching한 경우 품질 변화와 기호도가 가장 높게 나타났다. 해동방법에 따른 품질 특성을 평가한 결과 엄나무 햇순의 경우 상온 및 microwave 해동 시, 참죽 햇순의 경우 색도는 저온에서, texture는 상온해동에서 품질이 높게 평가되었으며, 해동방법에 따른 엄나무와 참죽 햇순의 기호도는 모두 microwave로 해동 시 가장 높게 평가되었다.

Keywords

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