Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
권호 표지

Rheological Properties of Dough Added with Pine Needle Powder

솔잎분말 첨가에 따른 밀가루 반죽의 물리적 특성

  • Shin, Gil-Man (Department of Cooking Science, Sunchon National University) ;
  • Im, Jong-Cheol (Department of Cooking Science, Sunchon National University)
  • 신길만 (순천대학교 조리과학과) ;
  • 임종철 (순천대학교 조리과학과)
  • Published : 2008.06.30
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Abstract

The rheological properties of dough made with 0%, 1%, 2% or 3% pine needle powder were investigated The approximate composition of the pine needle powder was moisture content 58.1% crude protein 4.1% crude fat 3.9% crude ash 0.9%, and crude fiber 9.3%. Rapid Visco Analyzer (RVA) analysis showed that the initial posting temperature increased with increasing pine needle powder content, while the peak viscosity decreased The water absorption, stability, development time, elasticity and valorimeter value of the dough, as determined using a farinograph and alveograph, decreased with increasing content of pine needle powder, while weakness increased. The extensibility, fermented volume and consistency of the dough decreased gradually with increasing pine needle powder content. These results indicate that addition of pine needle powder affects the rheological properties of bread.

본 연구에서는 솔잎분말을 첨가하여 기능성식빵을 제조하기 위한 반죽의 품질특성을 조사하였다. 일반 성분측정 결과 생 솔잎은 수분 58.1%, 조단백질 4.5%, 조지방 3.9%, 조회분 0.9%, 식이섬유량 9.3%로 나타났다. 반죽의 pH 측정 결파 대조구의 pH는 5.9, 솔잎분말 $1{\sim}3%$ 첨가시에는 $5.8{\sim}5.5$ 범위로 나타났다. 반죽의 호화도는 솔잎분말 첨가량이 증가함에 따라 호화 개시 온도는 증가하였고 최고 점도는 감소하였다. 반죽의 falling number는 솔잎분말 첨가량이 증가할수록 낮아졌다. Farinograph, alveograph에 의한 분석결과 수분흡수율의 경우 솔잎분말 첨가량이 증가할수록 반죽 안정도는 증가하였고, 반죽 발전시간은 감소하였다. Alveograph은 최대압력을 나타내는 P값은 솔잎분말의 첨가량이 증가할수록 낮아졌고 부피와 신장성도 솔잎의 첨가량이 증가할수록 감소하였다. 반죽 발효팽창력 또한 솔잎분말의 첨가량이 증가할수록 감소하였다. 솔잎분말의 첨가량이 증가할수록 제빵 반죽의 물리성이 떨어진다는 결과를 얻을 수 있었다.

Keywords

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