Biological inactivation of adhering Listeria monocytogenes by listeriaphages and a quaternary ammonium compound-Reference-Cited by-同舟云学术

Biological inactivation of adhering Listeria monocytogenes by listeriaphages and a quaternary ammonium compound

Published:1993-09 Issue:9 Volume:59 Page:2914-2917
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Roy B¹,Ackermann H W¹,Pandian S¹,Picard G¹,Goulet J¹

Affiliation:

1. Dairy Research Center (STELA), Faculty of Agriculture, Universit� Laval, Ste-Foy, Qu�bec, Canada.

Abstract

The use of listeriaphages as a means of disinfecting contaminated stainless-steel and polypropylene surfaces was investigated. Surfaces artificially contaminated with L. monocytogenes 10401 and 8427 were sanitized with suspensions of listeriaphages (H387, H387-A, and 2671), all belonging to the Siphoviridae family. Phage suspensions at concentrations of up to 3.5 x 10(8) PFU/ml were at least as efficient as a 20 ppm solution of a quaternary ammonium compound (QUATAL) in reducing L. monocytogenes populations. A synergistic activity was observed when two or more phages were used in combination and when phages were suspended in QUATAL. The biological activity of the three phages was not affected by QUATAL concentrations of 50 ppm and a contact time of 4 h.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/aem.59.9.2914-2917.1993

Reference25 articles.

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