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KMID : 0881720110260040336
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Journal of Food Hygiene and Safety
2011 Volume.26 No. 4 p.336 ~ p.341
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Efficacy of Aerosolized Natural Antimicrobial and Organic Acids as a Sanitizer against Foodborne Pathogens on Stainless Steel
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Ha Su-Jeong
Yang Seung-Kuk
Park Hyeon-Ju
Oh Se-Wook
Kim Chung-Hwan
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Abstract
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This study was carried out to investigate efficacy of aerosol sanitizer with natural antimicrobial and organic acids against Escherichia coli O157:H7, Salmonella Typhimurium and Listeria monocytogenes. The artificially inoculated pathogens on stainless steel coupon were treated with grapefruit seed extract (GFE), acetic acid, citric acid and lactic acid in model cabinet for 5 min. The number of three foodborne pathogens with individual treatment was reduced by 0.34-3.77 log units, treatment with GEF + organic acid was reduced by 1.72-3.89 log units and treatment with GEF + organic acid + alcohol was reduced by 1.46-5.05 log units. By treatment with GEF + lactic acid + alcohol in scale-up model system for 10 min. Populations of E. coli O157:H7, S. Typhimurium and L. monocytogenes were reduced by 3.42, 2.72 and 2.30 log units from the untreated control respectively. From the above result, aerosol sanitizer with natural antimicrobial agents and organic acid can be used as an environmental sanitation method with satisfying the consumer demand on safe food.
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KEYWORD
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sanitation, aerosolization, natural antimicrobial, air sampler, stainless steel coupon
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