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Novel synergistic approach to exploit the bactericidal efficacy of commercial disinfectants on the biofilms of Salmonella enterica serovar Typhimurium

Paper ID Volume ID Publish Year Pages File Format Full-Text
20531 43179 2014 7 PDF Available
Title
Novel synergistic approach to exploit the bactericidal efficacy of commercial disinfectants on the biofilms of Salmonella enterica serovar Typhimurium
Abstract

Combined effect of malic acid and ozone as sanitizer to inhibit the biofilm formation by Salmonella typhimurium on different food contact surfaces was investigated in this study. Different surfaces used in food industry including PVC pipes, polyethylene bags, plastic surfaces and fresh produce were analyzed for the biofilm formation by S. typhimurium ST1 and ST2. Malic acid alone was not able to inhibit biofilm formation in all the samples. However, combination of malic acid with ozone reduced the biofilm formation on plastic bags as well as on PVC pipes suggesting as an effective disinfectant for food contact surfaces. Five- and six-fold reduction in biofilm formation was observed in microtitre plates after 20 h and 40 h. Scanning electron micrographs of carrot and turnip showed control over the biofilms. Malic acid as sanitizer in food industry was effective for the complete inhibition of biofilm in carrot and other food contact surfaces, besides this, combined sanitizer (malic acid and ozone) was effective in turnip. Biofilms in food-processing industries can survive even after the sanitizer treatment and may represent reservoirs of product contamination leading to subsequent spoilage and/or food safety risks.

Keywords
Biofilm; Fresh produce; Malic acid; Ozone; Salmonella; Pathogens
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Novel synergistic approach to exploit the bactericidal efficacy of commercial disinfectants on the biofilms of Salmonella enterica serovar Typhimurium
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Bioscience and Bioengineering - Volume 118, Issue 1, July 2014, Pages 34–40
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us