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 Properties of Loaf Bread Added with Fermented Tea Powder

발효차 가루를 첨가한 식빵의 품질특성

  • Kim, Jung-Ran (Dept. of Food a& Cooking Science, Sunchon National University) ;
  • Choi, Ok-Ja (Dept. of Food a& Cooking Science, Sunchon National University) ;
  • Shim, Ki-Hoon (Dept. of Food a& Cooking Science, Sunchon National University)
  • 김정란 (순천대학교 식품과학부 조리과학과) ;
  • 최옥자 (순천대학교 식품과학부 조리과학과) ;
  • 심기훈 (순천대학교 식품과학부 조리과학과)
  • Published : 2005.07.01
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Abstract

The purpose of this study was to determine the qualities of loaf breads added with green tea powder, minimum fermented tea powder (fermented for 10 hrs), medium fermented tea powder (fermented for 17 hrs), and black tea powder (fermented for 24 hrs). The moisture content of loaf bread added with green tea and three types of fermented tea was $36.02\~36.44\%$ and was similar to the control group of $36.98\%$. The content of crude protein and ash of loaf bread added with green tea powder and fermented tea was higher than that of control group. The water holding capacity of loaf bread added with green tea powder was the highest and was followed by the fermented tea added group and the control group. The volume and specific volume of loaf bread were high in tile order of the control group, the fermented tea added group, the green tea added group. The lightness of loaf bread got lower, while the redness and the yellowness of the bread 9ot higher as loaf bread was added with more fermented tea. The hardness of loaf bread get higher, but the cohesiveness got lower as loaf bread was added with the more fermented tea. The gumminess and chewiness of loaf bread added with black tea powder were the highest. The result of sensory evaluation of the loaf bread showed that the preference of the color was tBle highest in the control group, while the preference of the flavor and the taste was the highest in the green tea group and the minimum fermented tea group. The preference of overall acceptability of loaf bread was the highest in the minimum fermented tea group.

녹차 및 발효정도에 따른 약발효차, 중발효차, 홍차 가루를 첨가하여 제조한 식빵의 일반성분, 수분결합력, 무게, 부피, 색도, texture 및 관능검사 측정한 결과는 다음과 같다. 차가루 첨가식빵의 수분함량은 $36.02\~36.44\%$로 대조구 $36.98\%$와 거의 차이가 없었다. 조단백질과 회분 함량은 대조구보다 차첨가구가 높게 나타났다 수분결합력은 녹차 첨가구가 가장 높았고, 발효차 첨가구, 대조구 순으로 높게 나타났다 식빵의 부피와 비용적은 대조구가 가장 높게 나타났고, 발효 차 첨가구, 녹차첨가구 순으로 높게 나타났다. 색도는 대조구에 비하여 발효가 많이 진행된 차가루를 첨가한 식빵일수록 L값은 낮고, a값과 b값은 높게 나타났다. 식빵의 견고성은 발효가 많이 진행된 차가루 첨가구일수록 높게 나타난 반면, 응집성은 발효가 많이 진행된 차가루를 첨가할수록 낮게 나타났다 접착성과 씹힘성은 홍차가루 첨가식빵이 가장 높았다. 관능검사 결과, 색깔, 외관, 질감은 대조구가 가장 높은 기호도를 보였고, 향미와 맛은 녹차 및 약발효차 가루 첨가구의 기호도가 높았으며, 전체적인 기호도는 약발효차 가루 첨가구의 선호도가 가장 높게 나타났다.

Keywords

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