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Antimicrobial Activity of Chitosan Films With Essential Oils Against Listeria monocytogenes on Cabbage by Jovanovic, Gordana D.; Klaus, Anita S.; P. Niksic, Miomir is a Medicine article available to read on EtoBox.

What is Antimicrobial Activity of Chitosan Films With Essential Oils Against Listeria monocytogenes on Cabbage about?

## Background The highest incidence of listeriosis, due to consumption of ready-to-eat foods and fresh, shredded, minimally processed vegetables, occurs among pregnant women and the elderly. In order to reduce the prevalence of listeriosis among consumers, better protective measures are recommended. Chitosan films, with or without added essential oils, represent a modern, safe method of preserving the quality of such vegetables and significantly reducing the incidence of __Listeria monocytogenes__ in these foods. ## Objectives The present study was conducted to evaluate the antimicrobial properties of composite chitosan-gelatin films with and without essential oils against two strains of __L. monocytogenes__, ATCC 19115 and ATCC 19112, in fresh shredded cabbage. ## Methods Shredded cabbage was inoculated with __L. monocytogenes__ and packed between two layers of the chitosan composite film, then placed in Petri dishes. The prepared samples were stored at 4°C then analyzed for total viable count on PALCAM agar while incubated at 37°C, every 24 hours for 7 days. ## Results Average __L. monocytogenes__ content ranged from 4.2 - 5.4 log CFU/g, reaching values of 7.2 - 8.6 log CFU/g in

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Author

Jovanovic, Gordana D.; Klaus, Anita S.; P. Niksic, Miomir

Publisher

Briefland

Published

2016

Language

EN

Field

Medicine (Health Sciences)