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Major Microbial Composition and Its Correlation to the Taste of Sunchang Traditional Kochujang  

Jin, Hyo-Sang (College of Alternative Medicine, Jeonju University)
Kim, Jong-Bum (College of Alternative Medicine, Jeonju University)
Lee, Kyung-Ja (Dept. of Food and Nutrition, Jeonju Kijeon College)
Publication Information
The Korean Journal of Food And Nutrition / v.20, no.4, 2007 , pp. 363-368 More about this Journal
Abstract
Traditional kochujang samples were collected from the folk village in Sunchang to find the major microbial composition and correlation between the taste and the microbial properties. Among the 29 samples, 17 samples showed Bacillus licheniformis as dominant strain with 11 samples Bacillus subtilis and 1 sample Staphylococcus pasteuri. Subdominant strain of 17 samples was Bacillus licheniformis with 12 samples Bacillus subtilis. Dominant strain numbers varied in rage of $6.60{\sim}8.38$ logCFU/g with subdominant strain number $5.90{\sim}7.86$ logCFU/g and total microbial number $6.64{\sim}8.56$ logCFU/g respectively. Bacterial type number varied in range of $6{\sim}18$ with the average 10.5 types. Fungi were found only in 2 samples and identified all to be Aspergillus oryzae. Yeasts were found in 25 samples. The dominant yeast strain of 23 samples was identified to be Zygosaccharomyces pseudorouxii and that of 2 samples Zygosaccharomyces rouxii. Yeast type variety showed that only single type was found in 15 samples, 2 types in 8 samples, 3 types in 1 sample and 4 types in 1 sample. Fungal number was 3.90 and 4.08 logCFU/g and yeast numbers varied in range of $3.90{\sim}6.43$ logCFU/g. The sensory scores of kochujang showed positive correlation with type numbers, but no significant correlation with the other microbial properties like total bacterial number, dominant bacterial number, subdominant bacterial number and dominant yeast number.
Keywords
kochujang; major microbial composition; sunchang; correlation between taste and microorganisms;
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Times Cited By KSCI : 7  (Citation Analysis)
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