Bactericidal efficiencies of commercial disinfectants against Listeria monocytogenes on surfaces

Kaarina Aarnisalo (Corresponding Author), Satu Salo, Hanna Miettinen, Maija-Liisa Suihko, Gun Wirtanen, Tiina Autio, Janne Lunden, Hannu Korkeala, Anna-Maija Sjöberg

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

The efficiencies of potassium persulphate, isopropanol, hydrogen peroxide and peracetic acid, quaternary ammonium compound, hypochlorite, sodium dichloroisocyanurate, ethanol and phenol derivatives, tertiary alkylamines and dimethyl alamine betaine‐based disinfectants and a hypochlorite‐based disinfecting cleaning agent were evaluated against eight Listeria monocytogenes strains representing three different ribotypes. All the disinfectants were effective in a suspension test with an exposure time of 30 s at the lowest concentrations recommended by the manufacturer. The efficiencies on surfaces were reduced. However, on clean surfaces all the agents were considered effective when the exposure time was 5 min and the concentration was the average recommended by the manufacturer. Five of nine disinfectants and the disinfecting cleaning agent were considered effective in soiled conditions in the surface test. The most efficient agent was isopropanol‐based and the least effective was the disinfectant containing tertiary alkylamine and dimethyl alamine betaine. Differences in bactericidal efficiencies of disinfectants against different L. monocytogenes strains on meat soiled surfaces were found.

Original languageEnglish
Pages (from-to)237 - 250
Number of pages14
JournalJournal of Food Safety
Volume20
DOIs
Publication statusPublished - 2000
MoE publication typeA1 Journal article-refereed

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Disinfectants
disinfectants
Listeria monocytogenes
cleaning agents
exposure duration
Peracetic Acid
Quaternary Ammonium Compounds
peracetic acid
hypochlorites
quaternary ammonium compounds
Ribotyping
Hypochlorous Acid
ribotypes
Betaine
2-Propanol
isopropyl alcohol
betaine
Phenol
Meat
Hydrogen Peroxide

Cite this

Aarnisalo, Kaarina ; Salo, Satu ; Miettinen, Hanna ; Suihko, Maija-Liisa ; Wirtanen, Gun ; Autio, Tiina ; Lunden, Janne ; Korkeala, Hannu ; Sjöberg, Anna-Maija. / Bactericidal efficiencies of commercial disinfectants against Listeria monocytogenes on surfaces. In: Journal of Food Safety. 2000 ; Vol. 20. pp. 237 - 250.
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Bactericidal efficiencies of commercial disinfectants against Listeria monocytogenes on surfaces. / Aarnisalo, Kaarina (Corresponding Author); Salo, Satu; Miettinen, Hanna; Suihko, Maija-Liisa; Wirtanen, Gun; Autio, Tiina; Lunden, Janne; Korkeala, Hannu; Sjöberg, Anna-Maija.

In: Journal of Food Safety, Vol. 20, 2000, p. 237 - 250.

Research output: Contribution to journalArticleScientificpeer-review

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T1 - Bactericidal efficiencies of commercial disinfectants against Listeria monocytogenes on surfaces

AU - Aarnisalo, Kaarina

AU - Salo, Satu

AU - Miettinen, Hanna

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AU - Wirtanen, Gun

AU - Autio, Tiina

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AU - Korkeala, Hannu

AU - Sjöberg, Anna-Maija

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AB - The efficiencies of potassium persulphate, isopropanol, hydrogen peroxide and peracetic acid, quaternary ammonium compound, hypochlorite, sodium dichloroisocyanurate, ethanol and phenol derivatives, tertiary alkylamines and dimethyl alamine betaine‐based disinfectants and a hypochlorite‐based disinfecting cleaning agent were evaluated against eight Listeria monocytogenes strains representing three different ribotypes. All the disinfectants were effective in a suspension test with an exposure time of 30 s at the lowest concentrations recommended by the manufacturer. The efficiencies on surfaces were reduced. However, on clean surfaces all the agents were considered effective when the exposure time was 5 min and the concentration was the average recommended by the manufacturer. Five of nine disinfectants and the disinfecting cleaning agent were considered effective in soiled conditions in the surface test. The most efficient agent was isopropanol‐based and the least effective was the disinfectant containing tertiary alkylamine and dimethyl alamine betaine. Differences in bactericidal efficiencies of disinfectants against different L. monocytogenes strains on meat soiled surfaces were found.

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