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KMID : 0665420130280050512
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Korean Journal of Food Culture
2013 Volume.28 No. 5 p.512 ~ p.524
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Quality Characteristics and Optimization of Bread with Mori Cortex Radicis Powder Using Response Surface Methodology
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Chung Min-Ju
Jeong Hee-Sun
Joo Na-Mi
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Abstract
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The purpose of this study was to investigate the antioxidative effects of Mori Cortex Radicis powder and to determine the
optimal mixing ratio of Mori Cortex Radicis powder and water in the preparation of bread. The optimal sensory composite
recipe was determined by producing bread with different levels of Mori Cortex Radicis powder and water. The analysis was performed using response surface methodology and a sensory evaluation was performed with the data. Ten experimental recipes, including two with reference points in the composition, were selected. In terms of the antioxidative effects of Mori Cortex Radicis powder, the IC50 for total phenolic content and DPPH free radical scavenging activity were 149.56 GAE/g dry powder and 137.77 /mL respectively. Measurement results of the mechanical properties showed differences in volume (p<0.05), baking loss (p<0.05), yellowness (p<0.01), lightness (p<0.01), redness (p<0.01), hardness (p<0.01) and springiness (p<0.05). The sensory measurements showed significant values for color (p<0.05), appearance (p<0.05), flavor (p<0.01), taste (p<0.01), and overall quality (p<0.01). Overall, based on numerical and graphical methods, the optimal formulation was determined to be 21.16 g of Mori Cortex Radicis powder and 372.47 g of water.
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KEYWORD
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Mori Cortex Radicis powder, antioxidative effects, bread, response surface methodology (RSM) optimization
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