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Cabeça TK, Pizzolitto AC, Pizzolitto EL. Activity of disinfectants against foodborne pathogens in suspension and adhered to stainless steel surfaces. Braz J Microbiol. 2012;43(3):1112-9doi: 10.1590/S1517-838220120003000038.
Cabeça, T. K., Pizzolitto, A. C., & Pizzolitto, E. L. (2012). Activity of disinfectants against foodborne pathogens in suspension and adhered to stainless steel surfaces. Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology], 43(3), 1112-9. https://doi.org/10.1590/S1517-838220120003000038
Cabeça, Tatiane Karen, et al. "Activity of disinfectants against foodborne pathogens in suspension and adhered to stainless steel surfaces." Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] vol. 43,3 (2012): 1112-9. doi: https://doi.org/10.1590/S1517-838220120003000038
Cabeça TK, Pizzolitto AC, Pizzolitto EL. Activity of disinfectants against foodborne pathogens in suspension and adhered to stainless steel surfaces. Braz J Microbiol. 2012 Jul;43(3):1112-9. doi: 10.1590/S1517-838220120003000038. Epub 2012 Jun 01. PMID: 24031935; PMCID: PMC3768867.
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Braz J Microbiol. 2012 Jul;43(3):1112-9. doi: 10.1590/S1517-838220120003000038. Epub 2012 Jun 01.

Activity of disinfectants against foodborne pathogens in suspension and adhered to stainless steel surfaces.

Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]

Tatiane Karen Cabeça, Antonio Carlos Pizzolitto, Elisabeth Loshchagin Pizzolitto

Affiliations

  1. Universidade Estadual Paulista, Faculdade de Ciências Farmacêuticas , Araraquara, Sao Paulo , Brasil.

PMID: 24031935 PMCID: PMC3768867 DOI: 10.1590/S1517-838220120003000038

Abstract

The purpose of this study was to investigate and compare the efficacy of various disinfectants on planktonic cells and biofilm cells of Listeria monocytogenes, Staphylococcus aureus and Escherichia coli. Numbers of viable biofilm cells decreased after treatment with all tested disinfectants (iodine, biguanide, quaternary ammonium compounds, peracetic acid and sodium hypochlorite). Sodium hypochlorite was the most effective disinfectant against biofilm cells, while biguanide was the least effective. Scanning electron microscopy observations revealed that cells adhered on stainless steel surface after treatment with the disinfectants. No viable planktonic cells were observed after treatment with the same disinfectants. Based on our findings, we concluded that biofilm cells might be more resistant to disinfectants than plancktonic cells.

Keywords: biofilm cells; disinfectants; plancktonic cells

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