Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Rheological Properties of Flour Dough Added Power of Poria Cocos Wolf

백복령분말을 첨가한 밀가루 반죽의 물성특성

  • Shin, Gil-Man (Department of Cooking Science, Sunchon National University)
  • 신길만 (순천대학교 조리과학과)
  • Published : 2008.04.28
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Abstract

The effects of flour dough by addition of Poria Cocos Wolf powder were investigated in dough added with $0{\sim}5%$ powder by evaluation of dough. Rheological properties of dough by mixograph, farinograph, alveograph and extensograph, and scanning electron microscope. The water absorption rate and resistance were increased by Increase of Poria Cocos Wolf powder. Mixograph for dough stability and v/v point dough were increased in dough added $1{\sim}2$ percent of Poria Cocos Wolf powder. In water absorption, stability and valorimeter value of the dough increased in weakness of the dough, as revealed through farinogram, extensiblity, resistance to extension, and energy increased in R/E ratio, as revealed through extensogram. Scanning electron microscope of bread wasn't changed by Poria Cocos Wolf powder.

백복령분말의 첨가량에 따른 밀가루 반죽의 품질특성에 미치는 영향을 알아보기 위하여 백복령분말을 $0{\sim}5%$의 비율로 첨가하여 반죽의 물리적 특성을 비교 분석한 결과는 다음과 같다. 백복령분말을 첨가한 Mixograph에서는 midline peak time는 분말첨가에 따라 $1{\sim}2%$에서는 증가하였고 $3{\sim}5%$에서는 대구조보다 감소하였다. Midline peak height는 대구조보다 모두 감소하였다. 주사현미경관찰은 백복령분말 첨가량이 증가할수록 기공이 크고 불균일하였다. Farinogragh 특성 중 반죽의 점조도와 수분 흡수율은 백복령분말의 첨가량이 증가할수록 증가하였고, 반죽 형성시간과 안정도는 감소하였다. 주사현미경에서는 백복령분말 첨가량이 증가할수록 기공이 거칠고 크게 나타났다.

Keywords

References

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