순창 전통 고추장의 주요 미생물 조성 및 맛과의 상관성 = Major Microbial Composition and Its Correlation to the Taste of Sunchang Traditional Kochujang

다국어 초록 (Multilingual 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 6.60～8.38 logCFU/g with subdominant strain number 5.90~7.86 logCFU/g and total microbial number 6.64～8.56 logCFU/g respectively. Bacterial type number varied in range of 6~18 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 3.90～6.43 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.

국문 초록 (Abstract)

및 결론1. 순창 전통고추장 총 29종의 표본 중 17종에서 지배세균은 Bacillus licheniformis였고, 11종은 Bacillus subtilis, 1종은 Staphylococcus pasteuri였으며, 차지배세균은 17종이 Bacillus licheniformis, 12종이 Bacillus subtilis였다. 지배균수는 6.60～8.38 logCFU/g의 범위에서 차지배균수는 5.90～7.86 logCFU/g의 범위에서, 총균수는 6.64～8.56 logCFU/g의 범위에서 분포하였다. 균종수는 6～18종의 분포를 보였고, 평균은 10.5종이었다.2. 총 29종의 표본 중에서 곰팡이는 2표본에서, 효모는 25표본에서 검출되었다. 곰팡이는 각각 3.90과 4.08 logCFU/g, 효모는 3.60～6.43 logCFU/g의 범위에서 분포하였다. 곰팡이는 모두 Aspergillus oryzae였고, 효모는 25표본 중 23표본에서 Zygosaccharomyces pseudorouxii가 지배균으로 자리하였고, 오직 2표본에서만 Zygosaccharomyces rouxii가 지배하였다. 효모는 15표본에서 오직 한 종만 검출되었고 8표본에서 2종, 각각 한 표본에서 3종과 4종이 검출되었다. 3. 고추장의 맛은 총세균수, 지배세균수, 차지배세균수, 효모균수 등과는 상관성을 보이지 않았으나, 세균의 균종 수에는 유의적인 양의 상관성을 나타내었다.

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