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Online Journal of Veterinary Research©

  12 (2) :52-58, 2008.  Editor’s Note: Extensively redacted 2018.

Effect of sanitizers on Escherichia coli O111 biofilm on milk contact rubber surfaces.

 

Hosein M1, Ghazani M1, Karim G2

 

1 Department of Food Hygiene, Faculty of Veterinary Medicine, Islamic Azad University, Shabestar Branch, 2Department of Food Hygiene, Faculty of Veterinary Medicine, University of Tehran,  Iran

 

ABSTRACT

 

Ghazani HHM, Karim G, Effect of sanitizers on Escherichia coli O111 biofilm on milk contact rubber surfaces, Onl J Vet Res., 12 (2):52-58, 2008. Biofilm formation by Escherichia coli O111 was studied on rubber surfaces in contact with milk. E. coli O111 formed biofilm on the rubber surfaces in the presence of milk to a density of 9.10 ± 0.15 log cfu/cm2. Exposing these biofilms to either sodium hypochlorite or iodophor sanitizers, showed a reduction of between 1-2 log cfu/cm2 in the number of viable E.coli O111. Biofilm cells that are not removed or killed during normal cleaning procedures could be a source of contamination for milk in a processing plant.

 

Keywords: Biofilm,  Escherichia coli, Sanitizers, Hypochlorite, Iodophor, Rubber.

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