2026-04-17T23:35:35Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/74972026-02-10T12:31:04Zcom_10259_4244com_10259_5086com_10259_2604col_10259_4245
Repositorio Institucional de la Universidad de Burgos
author
Illera Gigante, Alba Ester
author
Souza, Vanessa Rios de
author
Nikmaram, Nooshin
author
Tang, Linyi
author
Keener, Kevin M.
2023-03-06T13:16:07Z
2023-03-06T13:16:07Z
2022-12
1466-8564
http://hdl.handle.net/10259/7497
10.1016/j.ifset.2022.103210
Salmonella enteritidis (SE) accounts for more than 70% of Salmonella spp. infections in humans with a primary
source being chicken eggs, that can result from post-lay SE cross-contamination of the shell from contaminated
equipment or the environment. The objective of this study was to apply a HVACP treatment that can achieve a
minimum 5-log reduction in SE on the surface of artificially inoculated shell eggs with an initial bacterial load of
108 CFU/egg, after a previous disinfection. Optimized HVACP treatment conditions were an indirect treatment
with air at 60% humidity at 100 kV for one minute treatment and six hours post-treatment or alternatively, five
minutes of treatment and four hours post-treatment. Egg quality parameters of Haugh unit (HU), pH, color, and
vitelline membrane and shell strength were tested under the optimized conditions and showed no significant
difference (p > 0.05) between treated and untreated eggs.
Industrial relevance: Missing information for a possible scale up of a cold plasma system for egg surface
decontamination has been addressed by an optimization of HVACP treatment focused on treatment and posttreatment time, essential parameters to have into account in the food industry. These results demonstrate that
HVACP is an effective decontamination method for SE on chicken shell eggs and provides a baseline for a future
scale up of the process, showing that different combinations of treatment variables can achieve the desired
decontamination without affecting to key quality parameters of the egg such as Haugh Unit or vitelline membrane strength.
eng
Attribution-NonCommercial-NoDerivatives 4.0 Internacional
Chicken eggs
Salmonella enteritidis
Pathogen decontamination
High voltage atmospheric cold plasma (HVACP)
Process optimization
High voltage atmospheric cold plasma decontamination of Salmonella enteritidis on chicken eggs
info:eu-repo/semantics/article
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