Korean journal of food and cookery science (한국식품조리과학회지)

Korean Society of Food and Cookery Science (한국식품조리과학회)
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Rheological Properties of Composite Flour and Dough with Concentrated Sweet Pumpkin Powder

농축단호박 분말을 대체한 혼합분과 반죽의 특성

  • Lee, Chan-Ho (Department of Food and Nutrition, Sunchon National University) ;
  • Kim, Mun-Yong (Department of Food and Nutrition, Sunchon National University) ;
  • Chun, Soon-Sil (Department of Food and Nutrition, Sunchon National University)
  • 이찬호 (순천대학교 식품영양학과) ;
  • 김문용 (순천대학교 식품영양학과) ;
  • 전순실 (순천대학교 식품영양학과)
  • Published : 2008.08.31
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Abstract

In this study, composite flour and dough were prepared with concentrated sweet pumpkin powder(CSPP) at varying concentrations of 3, 6, 9, 12, and 15%. The samples and a control were then compared with regards to quality characteristics, including moisture, protein, and ash contents, farinogram characteristics, amylogram characteristics, and falling number of flour and extensogram characteristics of dough, in an effort to determine the optimal ratio of CSPP in the formulation. As the CSPP content increased, the moisture and protein contents of the flour increased, whereas the ash contents decreased. With regard to the farinogram characteristics of flour, water absorption, development time, and stability decreased with increasing CSPP content, while weakness increased. The control group evidenced a significantly higher beginning temperature of gelatinization as compared to the CSPP samples. The temperature of maximum viscosity, maximum viscosity, and falling number of flour decreased with increasing CSPP content. With regard to the extensogram characteristics of dough, extensibility decreased with increasing testing time and CSPP content, whereas resistance, maximum resistance, and R/E ratio increased. In conclusion, these results show that $6{\sim}9%$ CSPP may prove very useful as a substitute for wheat flour in the production of hardroll bread, and may provide good nutritional and functional properties.

Keywords

References

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