Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Quality Characteristics of Crackers with Tomato Concentrate

토마토 농축액을 이용한 크래커의 품질 특성

  • Kim, Ki-Ppum (Department of Food and Nutrition, Chungnam National University) ;
  • Kim, Kyoung-Hee (Department of Food and Nutrition, Chungnam National University) ;
  • Kim, Young Shik (Department of Plant and Food Science, Sangmyung University) ;
  • Yook, Hong-Sun (Department of Food and Nutrition, Chungnam National University)
  • 김기쁨 (충남대학교 식품영양학과) ;
  • 김경희 (충남대학교 식품영양학과) ;
  • 김영식 (상명대학교 식물식품공학과) ;
  • 육홍선 (충남대학교 식품영양학과)
  • Received : 2016.08.25
  • Accepted : 2016.10.25
  • Published : 2017.01.31
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Abstract

The purpose of this study was to evaluate the quality of crackers added with different concentrations (0%, 3%, 5%, 7%, and 10%) of tomato concentrate. The study results found that pH and baking loss rate of crackers of the control were higher than those of the samples. On the other hand, density and moisture of crackers with 10% tomato concentrate were higher than those of the samples. Hunter L values of crackers decreased as concentration of tomato concentrate increased, whereas a and b values of crackers increased. In the texture analysis, hardness of crackers decreased according to concentration of tomato concentrate. DPPH free radical scavenging activity of crackers increased as concentration of tomato concentrate increased. In the sensory evaluation, taste, color, flavor, texture, and overall acceptability of crackers added with 5% tomato concentrate were higher than those of other samples. Therefore, the results suggest that addition of 5% tomato concentrate is effective for increasing consumer acceptability and functionality of crackers.

본 연구는 토마토 농축액을 밀가루 대신 0%, 3%, 5%, 7%, 10%의 비율로 첨가하여 토마토 농축액이 크래커의 품질에 미치는 영향을 검토하였다. 토마토 농축액을 첨가한 크래커의 pH와 굽기손실률은 대조군이 가장 높게 나타났으며, 첨가량이 증가할수록 감소하는 경향을 나타내었다. 반면, 크래커의 밀도와 수분함량은 토마토 농축액의 첨가량이 증가할수록 증가하여 10% 토마토 농축액 첨가군에서 가장 높게 나타났다. 크래커의 L값은 토마토 농축액 첨가량이 증가할수록 감소하였지만, a와 b값은 토마토 농축액 첨가량이 증가할수록 증가하였다. 크래커의 경도는 첨가량이 증가할수록 감소하는 경향을 나타내었다. 크래커의 DPPH 라디칼 소거능을 평가한 결과 0%(37.52%), 3%(57.46%), 5%(69.36 %), 7%(80.96%), 10%(86.54%)로 유의적으로 높아졌다. 마지막으로 토마토 농축액을 첨가한 크래커의 관능검사를 한 결과 맛, 색, 향미, 질감, 전반적인 기호도는 대조군과 다른 첨가군보다 5% 토마토 농축액을 첨가한 크래커가 가장 높게 나타났다. 이상의 연구를 볼 때 5% 토마토 농축액을 첨가하는 것이 가장 적합할 것으로 생각된다.

Keywords

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