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NTIS 바로가기Korean journal for food science of animal resources = 한국축산식품학회지, v.29 no.6, 2009년, pp.702 - 708
김선애 (고려대학교 생명과학대학 생명공학과) , 이유미 , 오세욱 (한국식품연구원 산업원천기술연구본부 안전성연구단) , 곽효선 (식품의약품 안전평가원 식품위해평가부 미생물과) , 황인균 (식품의약품 안전평가원 식품위해평가부 미생물과) , 강동현 (워싱턴 주립대학교) , 우건조 (고려대학교 생명과학대학 생명공학과) , 이민석 (고려대학교 생명과학대학 생명공학과)
We investigated biofilm formation in various media, growth in low pH, and the hemolytic activity of 14 strains of Cronobacter spp. (Enterobacter sakazakii) isolated from a variety of foods including powdered infant formula (n=75), infant cereal (n=100), honey (n=30), and other infant foods (n=100) i...
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핵심어 | 질문 | 논문에서 추출한 답변 |
---|---|---|
biofilm 생성과 관련된 문제로 무엇이 있는가? | Biofilm이란 물질의 표면에 미생물이 고착된 군집을 이루어 존재하는 것으로(Castonguay et al., 2006), biofilm을 생성하게 되면 건조, 산화, 살균제, 세척제, 항생제 등과 같은 스트레스에 대한 내성이 증가한다(Albesa et al., 2004; Chang and Halverson, 2003; Hoyle and Costerton, 1991; Iversen et al., 2004). Cronobacter spp.가 식품 공장의 설비나 기구에 biofilm을 생성하면 균의 제어 및 관리가 어려워지므로 생산 단계에서의 지속적인 오염을 초래할 가능성이 있으며, 이는 제품의 안전성에 큰 영향을 미칠 수 있다. 한편 Cronobacter spp. | |
Cronobacter spp.의 감염 증상은 어떠한가? | Cronobacter spp.는 면역력이 약한 1세 이하의 영아나 생후 28일 이하의 신생아에게 주로 감염되며 수막염, 균혈증, 괴사성 대장염이 주된 증상으로 심각한 경우 사망에까지 이를 수 있다(Arseni et al., 1987; Bar-Oz et al. | |
Cronobacter spp.의 매개체로 어떤 것이 있는가? | , 2001; Willis and Robinson, 1988). 현재까지 정확한 오염경로는 밝혀지지 않았지만, 질병발생학적 연구를 통하여 조제분유나 우유와 같은 영·유아 식품이 Cronobacter spp.의 주요 매개체로 보고되고 있으며(Biering et al., 1989; Himelright et al., 2002; Iversen and Forsythe, 2004; Weir, 2002), 이 외에도 빵, 우유, 식육, 계란, 채소, 치즈, 향신료, 신선식품 등 다양한 식품(Cabassi et al., 2004; El-Sharoud et al., 2008; Gassem, 1999; Iversen and Forsythe, 2004; Jung and Park, 2006; Lafarge et al., 2004; Soriano et al., 2001)과 병원(Masaki et al., 2001), 식품 공장, 가정(Kandhai et al., 2004)과 같은 환경에서도 분리되고 있다. 분유에서 검출되는 Cronobacter spp. |
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