KMID : 1011620110270010011
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Korean Journal of Food and Cookey Science 2011 Volume.27 No. 1 p.11 ~ p.19
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Quality Characteristics of Frozen Brown-rice Jeung-pyun Dough Containing Different Amounts of Buckwheat Flour
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Á¤»ó¿:Jeong Sang-Yeol
¹Ú¹ÌÁ¤:Park Mi-Jung/À̼÷¿µ:Lee Sook-Young
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Abstract
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In this study, the physicochemical properties of buckwheat flour and quality characteristics of brown-rice doughs containing various concentrations of buckwheat flour stored at -18¡É for 4 weeks and fermented were studied. The total polyphenolic contents, electron donating ability (EDA) of 0.5%, gelatinization onset temperature (To), gelatinization peak temperature (Tp), and gelatinization conclusion temperature (Tc) of buckwheat flour were 1,920.10mg%, 6.95%, 70.11¡É, 78.21¡É, and 84.05¡É, respectively. There were no significant differences in the amount of yeast between brown-rice Jeung-pyun dough samples containing different levels of buckwheat flour and stored for different time periods. The amounts of carbon dioxide gas evolved from the brown-rice doughs were increased by increasing the concentration of buckwheat flour. The pH of brown-rice dough samples decreased with increasing storage period. Therefore, frozen brown-rice dough containing 6-15% buckwheat flour and stored for 3 weeks were the most desirable.
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KEYWORD
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buckwheat flour, frozen brown-rice Jeung-pyun dough, physicochemical properties, quality characteristics
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