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http://dx.doi.org/10.3746/jkfn.2003.32.7.1002

Development of Yeast Leavened Pan Bread Using Commercial Doenjangs (Korean Soybean Pastes): 1. Physicochemical Properties of Doenjang and Physical Properties of Bread Added with Doenjang  

오현주 (창원대학교 식품영양학과)
문혜경 (창원대학교 식품영양학과)
김창순 (창원대학교 식품영양학과)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.32, no.7, 2003 , pp. 1002-1010 More about this Journal
Abstract
This study was carried out to develope yeast leavened pan bread using the commercial Doenjangs (Korean soybean pastes). Physicochemical properties of the Doenjang products were measured such as aminonitrogen, pH, titratable acidity and salinity, reducing sugar, total free sugar, total organic acid, PDI (protein dispersibility index) and color. Seven products of Doenjang were freeze-dried and powdered to be used in bread formula at the levels of 2.5, 5.0, 7.5 and 10.0%. When the Doenjang powder was added up to 5.0%, the ovenspring during baking remarkably increased resulting in increased loaf volume. However, with Doenjang powder more than 7.5%, the loaf volume became smaller than the control as the dough expansion and ovenspring decreased. Thus when Doenjang was added to bread dough, the loaf volume was highly correlated with ovenspring (r=0.92) but it was not with dough expansion during 1st fermentation (r=0.56). The browning color of bread crust and crumb became deeper with decrease in L value as the addition of Doenjang powder increased. From the mechanical texture measurements of bread crumb, hardness, gumminess and chewiness decreased with addition of Doenjang powders. Regardless of the kinds of Doenjang, the Doenjang powders could be added into the bread dough up to 5.0%, improving the loaf volume and texture of yeast leavened pan bread and demonstrating the possibility of producing a functional bread using the Doenjang powders.
Keywords
Doenjang (Korean soybean paste); physical properties of bread; loaf volume; ovenspring; texture;
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Times Cited By KSCI : 2  (Citation Analysis)
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