Food Engineering Progress (산업식품공학)

Korean Society for Industrial Food Engineering (한국산업식품공학회)
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Quality Properties of Yakgwa with Different Types Frying Oil

튀김유의 종류를 달리한 약과의 품질 특성

  • Lee, Gyeong Mi (Department of Agro-Bio & Food Industry, Jeonju University) ;
  • Kim, Jin Won (Department of Korean Cuisine, Jeonju University) ;
  • Shin, Jung-Kue (Department of Korean Cuisine, Jeonju University)
  • 이경미 (전주대학교 농생명식품산업학과) ;
  • 김진원 (전주대학교 한식조리학과) ;
  • 신정규 (전주대학교 한식조리학과)
  • Received : 2017.11.10
  • Accepted : 2017.11.14
  • Published : 2017.11.30
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Abstract

The purpose of this study was to examine the effect of different types of frying oil on the quality of yakgwa such as expansion rate, color, moisture content and rheological properties. Yakgwa fried with corn oil showed the highest expansion in width and length, and rice bran oil in height. With regard to the overall expansion rate, yakgwa fried with rice bran had the highest value. As for lightness and yellowness, yakgwa fried with soybean oil had the highest lightness (34.74), while yakgwa fried with grape seed oil had the lowest lightness (29.82). As for redness, however, no significant difference was found. Regarding fat content, yakgwa fried with rice bran oil showed the highest value with 18.91%, while yakgwa fried with corn oil and canola oil showed the lowest value. No difference was found in moisture content according to the type of frying oil. In relation to the acid value, yagkwa with soybean oil showed the lowest value of $0.24{\pm}0.66$; as for peroxide value, yagkwa fried with rice bran oil showed the lowest value of $3.59{\pm}1.74meq/kg$. No difference was found in hardness, cohesiveness and resilience according to the type of frying oil. Yagkwa fried with corn oil and canola oil showed the lowest value in terms of adhesiveness and chewiness, respectively. The results of the sensory evaluation showed not significance difference in overall preference, but yakgwa fried with rice bran oil had the highest value of $5.93{\pm}1.87$.

튀김 기름의 종류가 약과의 팽화도, 색도, 유지함량, 수분함량, 물성 등의 품질에 미치는 영향을 알아보았다. 팽화도(expansion rate)의 경우 가로(width), 세로(length)의 팽화는 옥수수유가 높은 팽창율을 보였으며, 높이(height)에서는 미강유가 높은 팽창율을 보였고, 전체적인 팽화도에 있어서는 미강유가 큰 값을 보였다. 명도(lightness)와 황색도(yellowness)는 대두유로 튀긴 약과가 34.74로 가장 밝은 색을 나타내었고, 포도씨유를 사용한 약과가 29.82로 가장 어두운 색을 나타내었다. 그러나 적색도(redness)는 유의적인 차이가 없었다. 유지함량은 미강유로 튀긴 약과가 18.91%로 가장 높은 값을 보였으며, 옥수수유과 카놀라유 약과가 낮은 함량을 보였다. 수분함량은 튀김유의 종류에 따른 차이를 보이지 않았다. 약과의 산가는 대두유, 과산화 물가는 미강유가 각각 $0.24{\pm}0.66$, $3.59{\pm}1.74$로 가장 낮은 값을 보였다. 경도(hardness), 응집성(cohesiveness), 복원성(resilience)는 기름의 종류 상관없이 비슷한 값을 보였으며, 부착성(adhesiveness)와 씹힘성(chewiness)은 옥수수유과 카놀라유가 각각 가장 낮은 값을 나타내었다. 관능 평가에서는 전체적인 기호도에 있어서 유의적 차이를 나타내지는 않았으나 미강유가 $5.93{\pm}1.87$로 가장 높은 값을 보였다.

Keywords

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