Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Physical and Sensory Characteristics of Low Calorie Layer Cake Made With Different Levels of Hydrolyzed Oat Flour

Hydrolyzed oat flour의 첨가량을 달리하여 제조한 저열량 레이어 케이크의 물리적 및 관능적 특성

  • 송은승 (호서대학교, 식품영양학과) ;
  • 김상진 (호서대학교, 식품영양학과) ;
  • 강명화 (호서대학교, 식품영양학과)
  • Published : 2002.02.01
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Abstract

This study was carried out to investigate the effect of rheological and sensory characteristics of the low-calorie layer cake. It was made with different levels of hydrolyzed oat flour based on the weight of shortening. The specific gravity of cake batter by increasing of hydrolyzed oat flour was decreased. The viscosity, however, was increased. The microstructures of cake crumb observed by the scanning electron microscope showed the decreased number/size of air cells, and the fat particles were also decreased. The texture profile analysis showed statistically significant differences according to the different levels of hydrolyzed oat flour based on the weight of shortening. The hardness, gumminess, and chewiness gradually declined by the increasing hydrolyzed oat flour level while springiness, cohesiveness, and resilience increased. Although taste, texture, and flavor decreased by the addition of hydrolyzed oat flour, it was increased in the appearance, color, and overall preference of the layer cake. Taken together, our results suggest that a 45% addition of hydrolyzed oat flour could be the best replacer for the low-calorie layer cake.

본 연구에서는 옐로우 레이어 케이크 제조시 쇼트닝 대신 탄수화물계 지방 대체물인 hydrolyzed oat flour가 사용될 수 있는지 그 가능성을 조사하고 여러 가지 비율로 대체하여 제조한 저열량 레어어 케이크의 특성을 평가하였다. 케이크 반죽의 비중과 점도는 지방 대체율이 증가할수록 비중은 감소하지만 점도는 증가하였다. 주사전자 현미경 측정 결과 지방 대체물이 증가함에 따라 air cell과 함께 지방구의 수와 크기는 감소하였고 점도는 높을수록 치밀한 구조를 보였다. 물성 특성 측정결과 대체율이 증가 할수록 hardness, gumminess, 및 chewiness는 감소하였고 springiness와 cohesiveness, resilience는 증가하였다. 관능적 평가에서 hydrolyzed oat flour 45% 첨가시 가장 우수한 것으로 평가되었고 지방 대체율이 크게 증가하여도 관능적 평가에서 우수한 것으로 나타났다. 따라서 지방 대체물인 hydrolyzed oat flour는 저열량 레이어 케이크 제조시 쇼트닝 대신 다량 첨가하여도 양질의 품질을 나타내는 지방 대체 소재로 사용될 수 있음이 시사되었다.

Keywords

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