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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Rheological Properties of Dough with Whole Wheat Flour

전립분 첨가 반죽의 물리적 특성

  • 김영호 (대한제분㈜ 식품연구소) ;
  • 최광수 (영남대학교 식품가공학과) ;
  • 손동화 (신일전문대학 식품가공과) ;
  • 김정호 (경산대학교 환경과학과)
  • Published : 1996.10.01
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Abstract

The rheological prouerties of dough were evaluated the dough added whole wheat flour during breadmaking. From the farinogram, water absorption of the dough was decreased as the amount of coarse whole wheat flour was increased. While water absorption of the dough was increased as the amount of fine whole wheat flour was increased. Arrival time and development time of the dough with coarse whole wheat flour were longer than those of fine whole wheat flour. As the amount of whole wheat flour was increased, the weakness was increased. Weakness of coarse whole wheat flour was higher than that of fine whole wheat flour. From the extensograph, extension and resistance to extension were decreased with increasing the amount of whole wheat flour. Resistance to extension of coarse whole wheat flour was higher than that of fine whole wheat flour. From the amylograph, as the amount of whole wheat flour increased, maximum viscosity was decreased gradually. Though the amount of coarse whole wheat flour and fine whole wheat flour was increased up to 30% and 50%, respectively, external characteristics of bread was remained in normal. As the amount of whole wheat flour was increased, the value of whiteness was decreased.

전립분의 입도를 달리하여 거친전립분, 고운전립분을 각각 첨가했을 경우 첨가량에 따른 반죽의 물리적 성질을 조사하였다. Farinograph는 전립분 첨가량이 증가함에 따라 흡수량은 거친전립분에서 감소하는 반면 고운전립분은 증가하였다. 반죽도달시간 및 반죽형성시간은 거친전립분의 경우 고운전립분 보다 길어졌다. 약화도는 전립분 첨가량이 증가할수록 약화도가 커졌다. Extensograph는 전립분 첨가량이 증가할수록 신장도 및 신장저 항도가 감소하였으며, 거친전립분에서 신장저항도가 고운전립분 보다 전반적으로 높은 수치를 보였다. Amylograph는 전립 분 첨가량이 증가할수록 최고 점도가 감소하였다. 백도는 전립분 침가량의 증가에 따라 낮았으며, 동일량의 첨가구에서는 거친전림분이 고운전립분 보다 백도값이 다소 높아 약간 밝은 색을 띠었다.

Keywords

References

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