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당귀 분말을 첨가한 식빵 반죽의 물리적 특성 KCI 등재 SCOPUS

Rheological Properties of White Pan Bread Dough Prepared with Angelica gigas nakai Powder

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한국식품저장유통학회 (The Korean Society of Food Preservation)
초록

당귀 분말의 첨가량에 따른 식빵 반죽의 품질특성에 미치는 영향을 알아보기 위하여 당귀 분말을 첨가한 반죽의 이화학적 특성, 반죽의 물리적 특성을 비교 분석한 결과는 다음과 같다. 당귀 분말의 일반성분 함량은 수분 10.5%, 조단백질 16.9%, 조지방 13.8%, 조회분 6.0%, 식이섬유량 35.5% 등으로 나타났다. 당귀 분말을 첨가한 밀가루의 호화도(RVA)는 당귀 분말의 첨가량이 증가함에 따라 호반죽의 호화도, break down과 se

The effects of Angelica gigas nakai powder(AP) addition on bread dough were investigated by preparing dough with 0-10%(w/v) powder. Dough raising power, gluten levels, rapid visco properties, and falling number, were investigated. The rheological properties of dough as measured by mixography, farinography, alveography, color assessment, and with scanning electron microscopy, were examined. Increase in AP concentration resulted in a linear decrease in gluten content. Dough raising power and extensibility were decreased by water absorption rate, and resistance increased. Dough stability and rose when AP was present at 1-2%(w/v). Water absorption, dough stability, and dough valorimeter values also rose when AP was present at 1-2%(w/v), but AP induced weakness in the dough, as revealed through farinography, and also resulted in a lowering of initial pasting temperature and the temperature at peak viscosity. A decrease in viscosity at the peak point, and(as revealed by RVA), a decrease in extensibility, an increased resistance to extension, and a rise in the energy required for extension, were also seen when AP powder was added, as was an increase in the R/E ratio. Overall, the addition of AP to dough to levels of 1% or 2%(both w/v) is thought to be useful in the preparation of a functional white pan bread, and results in quality improvements.

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