청국장 발효 세균의 종류에 따른 청국장 점질물의 항 미생물 활성에 관한 연구
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- 2023.04.05
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서지정보
ㆍ발행기관 : 한국식품위생안전성학회
ㆍ수록지정보 : 한국식품위생안전성학회지 / 16권 / 3호
ㆍ저자명 : 허성호, 홍정화, 최희선, 윤호경
영어 초록
To evaluate antimicrobial activities of chongkukjang slime fermented by different strains, growth characteristics were compared using various standard microorganisms with addition of chongkukjang slime. Chongkukgang slime was prepared by fermenting cooked soybean after inoculating with Bacillus circulars K-1, Bacillus spp N-1 and Bacillus subtilis CH-1, respectively. Significant antimicrobial activity was observed by chongkukjang slime on gram positive bacteria (Staphylococcus aureus, Bacillus cereus, Bacillus subtilis, Micrococcus luteus), gram negative bacteria(Escherichia coli O157:H7, Salmonella Typhimurium, Pseudomonas fluorescens), and yeast (Pichia membranaefaciens, Saccharomyces cerevisiae, Candida albicans). In case of B. cereus growth inhibition of 80% was achieved by the addition of chongkukjang slime; on the contrary, to Escherichia coli O157:H7 only 20% inhibition was observed. Slime from Bacillus subtilis CH-1, in parkicular, inhibition of 40% toward bacteria and yeast, whereas slime from Bacillus circulars K-1, Bacillus spp N-1 showed only 20% inhibition.
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