| 紫外线-乙醇联合使用对克洛诺菌属的协同杀菌效果 |
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| 引用本文： | 博松哲,高建新,陈海婴,张悦,刘缨,倪贤生.紫外线-乙醇联合使用对克洛诺菌属的协同杀菌效果[J].中国乳品工业,2011,39(9). |
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| 作者姓名： | 博松哲 高建新 陈海婴 张悦 刘缨 倪贤生 |
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| 作者单位： | 1. 南昌市疾病预防控制中心,南昌,330038
2. 中国科学院微生物研究所,北京,100101 |
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| 摘 要： | 为探讨紫外线-乙醇联合使用是否对克洛诺菌属产生协同消毒效果,对0.1%稀释复原婴儿配方奶粉分别用乙醇,氢氧化钠和紫外线对克洛诺菌属NC830的杀菌效果进行了调查。结果表明,体积分数为50%和25%的乙醇处理仅引起3.65和4.05 mL-1的杀灭效果,而使用体积分数为75%的乙醇,阪崎克洛诺菌的水平下降5.46 mL-1(对数值)。质量分数为1.0%,2.5%,5.0%的氢氧化钠杀灭效果分别达到4.84,5.44和6.46mL-1(对数值)。紫外线分别作用克洛诺菌属10,20,30 min,杀灭效果分别达到1.14,2.03和2.89 mL-1(对数值)。经过30 min的处理,紫外线、乙醇和两者联合使用对阪崎克洛诺菌杀灭值分别为2.81,3.85和5.07 mL-1(对数值),紫外线-乙醇联合使用对阪崎克洛诺菌产生协同消毒效果。
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| 关 键 词： | 克洛诺菌属 婴儿配方乳粉 紫外线 协同效果 |
Synergistic effects of ethanol and UV radiation to reduce levels of Cronobacter |
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| FU Song-zhe,GAO Jian-xin,CHEN Hai-ying,ZHANG Yue,LIU Ying,NI Xian-sheng.Synergistic effects of ethanol and UV radiation to reduce levels of Cronobacter[J].China Dairy Industry,2011,39(9). |
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| Authors: | FU Song-zhe GAO Jian-xin CHEN Hai-ying ZHANG Yue LIU Ying NI Xian-sheng |
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| Affiliation: | FU Song-zhe 1,GAO Jian-xin 1,CHEN Hai-ying 1,ZHANG Yue 1,LIU Ying 2,NI Xian-sheng 1 (1.Nanchang Center for Disease Control and Prevention,Nanchang 330038,China,2.Institute of Microbiology,Chi-nese Academy of Sciences,Beijing 100101,China) |
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| Abstract: | To investigate whether combined treatments would produce synergistic disinfection effects on food products during food processing compared with single treatments,Cronobacter sakazakii cells in suspensions and biofilms formed on polycarbonate in diluted reconstituted pow-dered infant milk formula were treated with ethanol,NaOH and UV light as antibacterial treatments.The bactericidal effects of a commercial chemical disinfectant(ethanol) and of UV radiation on C.sakazakii NC830 in vitro were investigated.Tre... |
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| Keywords: | Cronobacter Powder Infant Formula(PIF) UV synergistic effects |
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