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Quality Characteristics of the Sugar Cookies with varied levels of Resistant Starch

난소화성 전분의 대체수준을 달리한 슈거 쿠키의 품질 특성

  • Lee, In-Seon (Department of Food Science and Nutrition, Yongin University) ;
  • Kang, Nam-E (Department of Food and Nutrition, Eulji University)
  • 이인선 (용인대학교식품영양학과) ;
  • 강남이 (을지대학교식품과학부식품영양학)
  • Published : 2007.09.30

Abstract

Physicochemical and sensory characteristics of cookies with various levels of resistant starch were investigated in this study. Dough pH of 30% substituted sample group had significantly the highest value than that of all(p<0.05). Water contents of Dough were decreased with increased levels of the resistant starch in cookie preparation. The spreadability was increased as the addition levels of the resistant starch were increased. The Hunter L and a values of 30% substituted sample group had the highest values of all(p<0.05). Results of sensory characteristics of 30% substituted sample group showed significantly the lower values in hardness and crack than those in the other groups at p<0.05. Acceptance tests of cookies with 10 and 20% substituted sample groups showed higher values in savory flavor and overall acceptability than those of others.

본 연구에서는 난소화성 전분을 0%, 10%, 20% 및 30% 수준으로 대체한 슈거쿠키를 제조하여 이화학적 검사와 관능검사 그리고 기호도 검사를 통하여 품질 특성을 조사하였다. 반죽의 pH는 난소화성 전분을 30% 대체한 반죽이 다른 시료군에 비해 유의적으로 높은 pH를 나타내었다. 반죽의 수분함량은 대조군이 유의적으로 높은 수분함량을 나타내었고 난소화성 전분의 대체비율이 높아짐에 따라 유의적으로 낮은 결과를 나타내었다. 쿠키의 퍼짐성은 난소화성 전분의 대체비율이 높아짐에 따라 유의적으로 높게 평가되었다. 30% 시료군은 다른 시료군들에 비해 유의적으로 높은 L값과 a값을 나타내었다. 난소화성 전분을 30% 대체한 시료군은 높은 보습력으로 인하여 퍼짐성 특성이 높게 평가되었고 또한 명도와 적색도가 높은 쿠키로 평가되었다. 쿠키의 관능검사 결과 30% 시료군은 다른 시료군들에 비해 경도와 표면에 금이 갈라진 정도가 유의적으로 약하게 평가되었다. 쿠키의 밝은정도에서는 30% 시료군이 20% 시료와 함께 특성이 강하게 평가되었다. 쿠키의 기호도 검사 결과 쿠키의 고소한 맛에서 20% 시료군이 10% 시료군과 함께 유의적으로 높은 기호도를 나타내었고 전반적인 기호도에서는 20% 시료군이 기호도가 높은 경향을 나타내었다. 난소화성 전분을 10%와 20%로 대체한 시료군은 대조군과 비교하였을 때 유의적인 차이를 보이지 않으며 기호도 특성들이 높게 평가되어 기능성을 가진 슈거쿠키의 개발 가능성을 보여주었으며, 특히 10% 시료군은 경제적인 측면에서 바람직한 대체비율이라 생각된다.

Keywords

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