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KMID : 1134820160450071001
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Journal of the Korean Society of Food Science and Nutrition
2016 Volume.45 No. 7 p.1001 ~ p.1009
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Quality Characteristics of Modified Doenjang and Traditional Doenjang
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Jeon Hyeon-Jin
Lee Sang-Hoon
Kim Sang-Sook
Kim Yoon-Sook
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Abstract
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This study was conducted to investigate the relationship between quality factors and palatability of modified Doenjang and traditional Doenjang. Fourteen types of Doenjang, including three modified Doenjang and 11 traditional Doenjang samples, were analyzed to evaluate their physicochemical and sensorial properties. There were differences in e-tongue, which indicates overall acceptability. Water contents, minerals, total sugar contents, salt contents, pH, titratable acidity, and free amino acids of Doenjang did not show significant differences. From the correlation and regression analysis, palatability was closely related to the e-tongue sensor such as X1 (sourness), X3 (saltiness), and X4 (umami) to -0.772, -0.642, and 0.678, respectively. The regression equation for sensorial palatability (Y) was Y=45.356－0.008X1－0.010X3 with a coefficient of 0.882.
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KEYWORD
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Doenjang, e-tongue, sensory evaluation, correlation
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