不同条件下臭氧水对猪源多重耐药海德堡沙门氏菌的灭活研究

IF 2.1 4区环境科学与生态学 Q3 ENGINEERING, ENVIRONMENTAL

Ozone: Science & Engineering Pub Date : 2021-08-01 DOI:10.1080/01919512.2021.1960147

Eduardo de Paula Nascente, Úrsula Nunes Rauecker, A. V. Teles, Lorena Dias do Amor Divino, Sarah Rodrigues Chagas, Luan Mendes Elias, M. P. Matos, M. A. Andrade, L. M. Pascoal

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引用次数: 2

摘要

摘要海德堡沙门氏菌常与动物源性食品传播的疾病有关，因此猪场的清洁和消毒对控制这种病原体非常重要。本研究旨在测试不同浓度臭氧化水对猪分离的海德堡沙门氏菌的灭活能力。我们分析了菌株对17种抗菌素的抗生素敏感性，并将菌株暴露于消毒剂和三种不同浓度的臭氧水(0.5 mg/L, 2.4 mg/L和4.4 mg/L)中1分钟，5分钟和10分钟，存在和不存在有机物(OM)，并对细菌基因组DNA进行定量评估。海德堡沙门氏菌具有多重耐药特征。在没有OM的情况下，臭氧水在1分钟后抑制细菌生长，细菌DNA浓度发生变化。

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Inactivation of Multidrug-Resistant Salmonella Heidelberg Isolated from Pigs by Ozonated Water under Different Conditions

ABSTRACT Salmonella Heidelberg is frequently associated with diseases transmitted by food of animal origin, so that the cleaning and disinfection of pigs farms are important for the control of this pathogen. This research was aimed to test the biocidal potential of ozonated water in different concentrations for the inactivation of a Salmonella Heidelberg isolated from pigs. We analyzed the strain antibiotic sensitivity profile to 17 antimicrobials and exposed the strain to disinfectant and three different concentrations of ozonated water (0.5 mg/L, 2.4 mg/L, and 4.4 mg/L) for one, five, and 10 minutes, in presence and absence of organic matter (OM), and performed a quantitative assessment of the bacterial genomic DNA. Salmonella Heidelberg was characterized as multidrug-resistant. Ozonated water inhibited bacterial growth in the absence of OM after one minute, with changes in bacterial DNA concentration.

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来源期刊

Ozone: Science & Engineering 环境科学-工程：环境

CiteScore

5.90

自引率

11.10%

发文量

审稿时长

2 months

期刊介绍： The only journal in the world that focuses on the technologies of ozone and related oxidation technologies, Ozone: Science and Engineering brings you quality original research, review papers, research notes, and case histories in each issue. Get the most up-to date results of basic, applied, and engineered research including: -Ozone generation and contacting- Treatment of drinking water- Analysis of ozone in gases and liquids- Treatment of wastewater and hazardous waste- Advanced oxidation processes- Treatment of emerging contaminants- Agri-Food applications- Process control of ozone systems- New applications for ozone (e.g. laundry applications, semiconductor applications)- Chemical synthesis. All submitted manuscripts are subject to initial appraisal by the Editor, and, if found suitable for further consideration, to peer review by independent, anonymous expert referees.