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KMID : 1134820150440121819
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Journal of the Korean Society of Food Science and Nutrition
2015 Volume.44 No. 12 p.1819 ~ p.1825
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Effect of Hydrocolloids on Physicochemical Properties of Bread Flour Dough with Rice Flour
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Kim Yang-Hoon
Lee Jung-Hoon
Chung Koo-Chun
Lee Si-Kyung
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Abstract
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This study was carried out to investigate the effect of hydrocolloids [hydroxypropylmethyl cellulose (HPMC), xanthan gum (XG), guar gum (GG), and glucomannan (GM)] on the physicochemical properties of bread flour dough containing rice flour. In amylograph analysis, the significantly lowest gelatinization temperature was obtained in dough with XG (P<0.05). XG revealed the highest maximum viscosity while GM revealed the lowest. In viscograph test, the lowest gelatinization temperature and maximum viscosity showed the same result as in the amylograph. Breakdown value was also highest in dough containing XG, but lowest in the control and dough containing HPMC. Setback value was highest in dough containing HPMC, but lowest in dough containing XG. In farinograph analysis, consistency was greatest in dough with HPMC and XG. Hydrocolloids affected water absorption, which was highest in dough containing GM. Development times of dough containing HPMC and XG were low. Stability was lowest in dough with XG. Degree of softening was reduced in dough containing HPMC and GG compared to the control but increased in dough containing XG and GM. Dough containing HPMC and GG showed the largest volume at 3 h of fermentation. Dough with HPMC showed the lowest pH value. Hydrocolloids in this study affected physicochemical properties of dough.
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KEYWORD
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rice flour, hydrocolloids, physicochemical, farinograph, viscograph
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