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KMID : 1011620110270040035
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Korean Journal of Food and Cookey Science
2011 Volume.27 No. 4 p.35 ~ p.46
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Quality Characteristics of Jeungpyun Prepared with Different Ratios of polygonum multiflorum Thunb Powder
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이계순:Lee Gae-Soon
박금순:Park Geum-Soon
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Abstract
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We developed hasuo jeungpyun with added polygonum multiflorum Thunb powder to increase the functional value and flavor of traditional jeungpyun. Hasuo jeungpyun containing 0, 2, 4, 6 and 8% polygonum multiflorum Thunb powder was prepared and the moisture contents, pH, color, texture and sensory analysis of the samples were measured. With increasing polygonum multiflorum Thunb powder content, the moisture content of hasuo jeungpyun decreased, and pH increased significantly. Hasuo jeungpyun prepared with 2-4% polygonum multiflorum Thunb powder displayed significantly higher swelling power. As the level of polygonum multiflorum Thunb powder increased, the L-value decreased, whereas the a- and, b-values increased. A textural profile analysis showed that the hardness increased but cohesiveness decreased with increasing polygonum multiflorum Thunb powder content. A sensory evaluation showed the highest value for air cell uniformity, flavor, and overall acceptability of 4% hasuo jeungpyun, which suggests hasuo jeungpyun with improved sensory characteristics. In the analysis of the correlation between sensory characteristics and mechanical properties of hasuo jeungpyun, hardness and brittleness were negatively correlated with after swallow, appearance, flavor, texture, taste, and overall acceptability.
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KEYWORD
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jeungpyun, polygonum multiflorum Thunb, quality characteristics
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