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Effect of Citrus Concentrate on the Physicochemical Properties of Kochujang  

Chae, In-Sook (Department of Food Science and Nutrition, Cheju National University)
Kim, Hyo-Sun (Department of Food Science and Nutrition, Cheju National University)
Ko, Yang-Sook (Department of Food Science and Nutrition, Cheju National University)
Kang, Min-Hwa (Department of Food Science and Nutrition, Cheju National University)
Hong, Sang-Pil (Korea Food Research Institute)
Shin, Dong-Bum (Department of Food Science and Nutrition, Cheju National University)
Publication Information
Korean Journal of Food Science and Technology / v.40, no.6, 2008 , pp. 626-632 More about this Journal
Abstract
In an effort to improve the quality and palatability of kochujang, the physicochemical and microbial characteristics of kochujang were assessed when different quantities of citrus concentrate were added during fermentation. The moisture content of kochujang increased throughout the entire fermentation process. The pH of kochujang was reduced gradually, but the titratable acidity was increased to 10 weeks of fermentation. The amino-nitrogen and reducing sugar contents of kochujang to which citrus concentrate was added were higher than those of the control, and these values increased with increasing fermentation time. As the ratio of added citrus concentrate increased, the color of the kochujang brightened. The total cell and yeast counts were unaffected by the addition of citrus concentrate. Our sensory evaluation test showed that the addition of 6% citrus concentrate was the optimal condition for improving the quality of kochujang. In conclusion, the addition of citrus concentrate was desirable for the improvement of the quality and palatability of kochujang.
Keywords
kochujang; citrus concentrate; physicochemical properties;
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Times Cited By KSCI : 22  (Citation Analysis)
Times Cited By SCOPUS : 1
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