Antibacterial isoeugenol coating on stainless steel and polyethylene surfaces prevents biofilm growth.

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Antibacterial isoeugenol coating on stainless steel and polyethylene surfaces prevents biofilm growth.

J Appl Microbiol. 2017 Nov 09;:

Authors: Nielsen CK, Subbiahdoss G, Zeng G, Salmi Z, Kjems J, Mygind T, Snabe T, Meyer RL

Abstract
AIMS: Pathogenic bacteria can spread between individuals or between food items via the surfaces they share. Limiting the survival of pathogens on surfaces therefore presents an opportunity to limit at least one route of how pathogens spread. In this study we propose that a simple coating with the essential oil isoeugenol can be used to circumvent the problem of bacterial transfer via surfaces.
METHODS AND RESULTS: Two commonly used materials, stainless steel and polyethylene, were coated by physical adsorption, and the coatings were characterized by Raman spectroscopy, atomic force microscopy and water contact angle measurements. We quantified and visualised the colonization of coated and uncoated surfaces by three bacteria: Staphylococcus aureus, Listeria monocytogenes and Pseudomonas fluorescens. No viable cells were detected on surfaces coated with isoeugenol.
CONCLUSIONS: The isoeugenol coating prepared with simple adsorption proved effective in preventing biofilm formation on stainless steel and polyethylene surfaces. The result was caused by the antibacterial effect of isoeugenol, as the coating did not diminish the adhesive properties of the surface.
SIGNIFICANCE AND IMPACT OF STUDY: Our study demonstrates that a simple isoeugenol coating can prevent biofilm formation of Staphylococcus aureus, Listeria monocytogenes and Pseudomonas fluorescens on two commonly used surfaces. This article is protected by copyright. All rights reserved.

PMID: 29119696 [PubMed - as supplied by publisher]

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