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KMID : 0881720160310040299
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Journal of Food Hygiene and Safety
2016 Volume.31 No. 4 p.299 ~ p.303
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Bactericidal Efficacy of a Disinfectant Spray Containing a Grapefruit-seed Extract, Citric acid, Malic acid and Benzalkonium Chloride against Salmonella Typhimurium and Brucella ovis
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Cha Chun-Nam
Park Eun-Kee
Jung Ji-Youn
Yoo Chang-Yeul
Kim Suk
Lee Hu-Jang
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Abstract
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Salmonella spp. and Brucella spp. can cause considerable diseases on both humans and animals. In addition, these microorganisms cause the economic loss in animal farming and food industry. In this study, the disinfection efficacy of a disinfectant spray, composed to grapefruit seed extract, citric acid, malic acid and benzalkonium chloride, was evaluated against S. Typhimurium and B. ovis. A bactericidal efficacy test by broth dilution method was used to determine the lowest effective dilution of the disinfectant following exposure to test bacteria for 30 min at 4oC. The disinfectant and test bacteria were diluted with hard water (HW) or organic matter suspension (OM) according to treatment condition. On HW condition, the bactericidal activity of the disinfectant spray against S. Typhimurium and B. ovis was 5 and 4 fold dilutions, respectively. On OM condition, the bactericidal activity of the disinfectant spray was 2 and 1 fold dilutions against S. Typhimurium and B. ovis, respectively. As the disinfectant spray possesses bactericidal efficacy against foodborne pathogens such as S. Typhimurium and B. ovis, the disinfectant spray can be used to control the spread of bacterial diseases.
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KEYWORD
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Disinfectant spray, Salmonella Typhimurium, Brucella ovis, Disinfectant efficacy
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