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http://dx.doi.org/10.3746/jkfn.2004.33.1.041

A Correlation Between Fibrinolytic Activity and Microflora in Korean Fermented Soybean Products  

김동호 (한국원자력연구소 방사선식품ㆍ생명공학연구팀)
송현파 (한국원자력연구소 방사선식품ㆍ생명공학연구팀)
김기연 (대전보건대학 전통조리과)
김정옥 (세종대학교 생활과학과)
변명우 (한국원자력연구소 방사선ㆍ식품생명공학연구팀)
Publication Information
Journal of the Korean Society of Food Science and Nutrition / v.33, no.1, 2004 , pp. 41-46 More about this Journal
Abstract
A correlation between fibrinolytic activity and microflora in Korean traditional soybean fermented food was investigated. The fibrinolytic activities of traditional soybean pastes and commercially processed samples were 2.42$\pm$1.01 unit/g and 1.58$\pm$0.98 unit/g, respectively. The cell density of Bacillus in traditional soybean pastes was about 10$^{7}$ CFU/g and its commercially processed one was 10$^{6}$ CFU/g. Acid producing bacteria, fungi and yeast group were higher in commercially processed one. The correlations of fibrinolytic activity and microflora in traditional and commercial Doenjang were positively correlated in Bacillus ($R^2$≒ 0.69), negatively correlated in fungal group ($R^2$≒0.40), and there were no significant correlations in acid forming bacteria and yeast group ($R^2$<0.16). Fibrinolytic activities in Meju and Koji were 6.54$\pm$1.97 unit/g and 1.46$\pm$0.43 unit/g respectively, and were positively correlated with Bacillus. Yeast and acid forming bacteria were grown by 5∼6 decimal induction during fermentation period of Doenjang, but Bacillus, fungal cells and fibrinolytic activity were nearly stable. Results indicate that fibrinolytic activity of Doenjang depends on enzyme induction in Meju or Koji processing by Bacillus, Doenjang fermentation process.
Keywords
Bacillus; Doenjang; fibrinolytic enzyme;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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