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Optimization of Process Condition for Processing of Jujube Fruit Jungkwa

대추 정과 제조를 위한 제조조건의 최적화

  • Hong, Ju-Yeon (Faculty of Herbal Food Cuisine & Nutrition, Daegu Haany University) ;
  • Nam, Hak-Sik (Faculty of Herbal Food Cuisine & Nutrition, Daegu Haany University) ;
  • Youn, Kwang-Sup (Department of Food Science and Technology, Catholic University of Daegu) ;
  • Woo, Sang-Chul (Department of Fire Safety Management, Daegu Health college) ;
  • Shin, Seung-Ryeul (Faculty of Herbal Food Cuisine & Nutrition, Daegu Haany University)
  • 홍주연 (대구한의대학교 한방식품조리영양학부) ;
  • 남학식 (대구한의대학교 한방식품조리영양학부) ;
  • 윤광섭 (대구가톨릭대학교 식품가공학) ;
  • 우상철 (대구보건대학 소방안전관리과) ;
  • 신승렬 (대구한의대학교 한방식품조리영양학부)
  • Received : 2011.03.04
  • Accepted : 2011.07.15
  • Published : 2011.08.30

Abstract

The purpose of this studies was analyzed moisture content, rheology and sensual test of jujube jungkwa by addition of water, sugar, fructose at processing of jujube jungkwa for development the optimization for processing of jujube jungkwa. The changes of moisture contents at process condition of jujube jungkwa were increased by increasing of sugar and water quantity. And moisture contents of jujube jungkwa were increased by high fructose quantity and low sugar quantity, but were decreased by high sugar and fructose quantity. The 'b' values of jujube jungkwa at low sugar quantity were decreased by the increasing of water quantity, but increased at high sugar quantity. The cohesiveness of jujube jungkwa at 0.03 kg of fructose were high by the increasing of sugar quantity, but those at 0.065 kg of fructose were high by the decreasing of sugar quantity. And those at 0.050 kg of fructose were similar without the quantity of sugar. The sweet taste of jujube jungkwa were increased by the increasing of water and fructose quantity. The characteristics of jungkwa at conditions of processing for the best quality of jujube jungkwa were 18-20% of moisture content, 2.0-3.0 of 'b' values, 3.0-3.2 of color scores, and 3.3-3.4 of sweet taste scores. The conditions of processing for the best quality of jujube jungkwa were determined to 0.95-1.04 L of water, 0.052-0.060 kg of fructose at 0.95 kg of sugar.

본 연구는 대추를 이용한 전통식품인 정과 제조방법을 개발하고자 설탕, 과당 및 물의 첨가에 따른 대추정과의 수분함량, 물성, 관능검사를 분석하여 대추정과 제조방법을 최적 조건을 분석하여 대추정과의 제조방법을 최적화하였다. 대추정과의 제조조건에 따른 수분 함량의 변화는 설탕의 양과 물의 양이 증가하였을 때 증가하였고, 또한 과당의 양이 높고 설탕의 양이 낮은 때 수분함량이 높았고, 설탕과 과당의 함량이 높을 때에는 수분 함량이 낮았다. 황색도 b 값은 설탕의 양이 적을 때에는 물의 양이 증가함에 따라 감소하였으나 설탕의 양이 높을 때에는 증가하는 경향이었다. 과당의 양에 따른 응집성의 변화는 과당의 양이 0.03 kg일 때에는 설탕의 양이 높을수록 높았고, 과당의 양이 0.065 kg일 때에는 설탕의 양이 적을수록 응집성이 높은 경향이었고, 과당의 양이 0.050 kg일 때 설탕의 양에 관계없이 응집성이 모두가 유사한 경향이었다. 전 구간의 단맛에 대한 기호도는 물과 과당의 양이 증가함에 따라 증가하였다. 대추정과의 품절 특성값을 최대로 할 수 있는 조건으로 수분함량은 18-20%, b 값가 2.0-3.0, 응집성이 60-65%, 관능적 특성인 color 점수 3.0-3.2, 단맛이 3.3-3.4인 구간을 설정되었다. 이 구간을 만족하는 최적조건으로 변수의 영향이 가장 적은 것으로 나타난 설탕의 양을 중심점인 0.95 kg으로 고정하고서 얻은 조건은 물의 양이 0.98-1.04 L, 과당의 양은 0.052-0.060 kg으로 결정되었고, 대추정과의 최적조건은 물 1.00 L, 설탕 0.95 kg, 과당 0.056 kg 이었다.

Keywords

References

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