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Characterization of Soybean Paste Doenjang with added Ulmi cortex  

Son, Dae-Yeul (Department of Herbal Foodceutical Science, Daegu Haany University)
Publication Information
Food Science and Preservation / v.15, no.4, 2008 , pp. 518-523 More about this Journal
Abstract
This study sought to prepare Doenjang with added Ulmi cortex, to improve functionality and flavor, while retaining the original Doenjang scent. Ulmi cortex powders were added during fermentation. The Ulmi cortex-containing Doenjang showed lower pH and less salinity than did the Doenjang prepared without Ulmi cortex. Sensory evaluation data showed that Doenjang with Ulmi cortex tasted sweeter, and less salty, and was preferred over Doenjang without Ulmi cortex. In the DPPH assay, Doenjang with Ulmi cortex showed much higher free-radical scavenging ability (IC50 of 29.16 g/mL)did Doenjang without Ulmi cortex(IC50 of 155.67 g/mL), indicating that Ulmi cortex Doenjang has higher antioxidant levels. Doenjang prepared with 1%(w/v) Ulmi cortex powder was best in terms of consumer preference and functionality.
Keywords
Doenjang; Ulmi cortex; soybean paste; fermentation; DPPH free radical scavenging;
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Times Cited By KSCI : 12  (Citation Analysis)
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