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Quality Characteristics of Bagel Added with Tomato Powder

토마토 분말 첨가 베이글의 품질 특성

  • Kim, Kyoung-Hee (Department of Food and Nutrition, Chungnam National University) ;
  • Kim, Young Shik (Department of Plant and Food Science, Sangmyung University) ;
  • Hong, Min-Seo (Department of Food and Nutrition, Chungnam National University) ;
  • Yook, Hong-Sun (Department of Food and Nutrition, Chungnam National University)
  • 김경희 (충남대학교 식품영양학과) ;
  • 김영식 (상명대학교 식물식품공학과) ;
  • 홍민서 (충남대학교 식품영양학과) ;
  • 육홍선 (충남대학교 식품영양학과)
  • Received : 2015.07.28
  • Accepted : 2015.09.01
  • Published : 2016.03.31

Abstract

This study examined the quality characteristics of bagel added with tomato powder (0, 3, 6, and 9%). Density of dough significantly increased with tomato powder content, whereas pH significantly decreased. Baking loss rate significantly decreased with tomato powder content while moisture significantly increased. Lightness of bagel significantly decreased with increasing tomato powder content, whereas redness and yellowness significantly increased with tomato powder content. Hardness was lower in the addition group than in the control group; springiness, cohesiveness, gumminess, and chewiness significantly decreased with increasing tomato powder content. 2,2-Diphenyl-1-picrylhydrazyl radical scavenging activities and total phenol contents significantly increased as tomato powder content increased. For quality assessment, the 3% addition group received the highest ratings in terms of appearance, color, taste, and overall quality but not texture, indicating the highest potentials for development.

토마토 분말을 베이글에 밀가루 대비 0(control), 3, 6, 9%를 첨가하여 만든 후 품질 특성을 평가하였다. 토마토 베이글 반죽의 밀도는 토마토 분말 첨가량이 증가함에 따라 유의적으로 증가하는 경향을 보였으며, pH는 유의적으로 감소하는 경향을 보였다. 굽기손실률은 토마토 첨가량이 증가할수록 유의적으로 감소하였으며 수분 함량은 유의적으로 증가하였다. 토마토 베이글 색도의 L값(명도)은 토마토 분말을 첨가할수록 유의적으로 감소하였으며, a값(적색도)과 b값(황색도)은 토마토 분말을 첨가할수록 유의적으로 증가하는 경향을 보였다. 물성 측정 결과 경도는 대조구에 비해 첨가구의 값이 감소했으며, 탄력성, 응집성, 점착성, 씹힘성은 토마토 분말 첨가량이 증가함에 따라 유의적으로 감소하는 경향을 나타내었다. 2,2-Diphenyl-1-picrylhydrazyl 라디칼 소거능 측정 결과 토마토 분말 첨가량이 증가할수록 유의적으로 라디칼 소거능이 증가하는 경향을 나타내었으며, 총 페놀 함량은 대조구가 1.53 mg GAE/100 g으로 가장 낮았고 첨가구가 2.56~4.91 mg GAE/100 g으로 토마토 분말 첨가량이 증가함에 따라 유의적으로 증가하는 경향을 보였다. 관능평가 결과 외관, 색, 맛, 전반적인 기호도에서 3% 첨가군이 가장 높은 기호도를 나타내어 개발 가능성이 가장 높은 것으로 생각한다.

Keywords

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