Effect of ultrasound and chlorine dioxide on Salmonella Typhimurium and Escherichia coli inactivation in poultry chiller tank water

This study evaluated the application of ultrasound alone or combined with chlorine dioxide (ClO2) for Salmonella Typhimurium and Escherichia coli inactivation in poultry processing chiller tank water. A Full Factorial Design (FFD) 22 was conducted for each microorganism to evaluate the effect of ult...

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Autores principales: Ana Paula Rossi, Daneysa Lahis Kalschne, Ana Paula Iglikowski Byler, Eder Lisandro de Moraes Flores, Oldair Donizeti Leite, Daniel dos Santos, Juliano Smanioto Barin, Cristiane Canan
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Publicado: Elsevier 2021
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spelling oai:doaj.org-article:9751f0645c6245f1b2ad6b3ce1e735472021-12-02T04:59:49ZEffect of ultrasound and chlorine dioxide on Salmonella Typhimurium and Escherichia coli inactivation in poultry chiller tank water1350-417710.1016/j.ultsonch.2021.105815https://doaj.org/article/9751f0645c6245f1b2ad6b3ce1e735472021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1350417721003576https://doaj.org/toc/1350-4177This study evaluated the application of ultrasound alone or combined with chlorine dioxide (ClO2) for Salmonella Typhimurium and Escherichia coli inactivation in poultry processing chiller tank water. A Full Factorial Design (FFD) 22 was conducted for each microorganism to evaluate the effect of ultrasound exposure time (x1: 1 to 9 min; fixed: 37 kHz; 330 W; 25 °C) using a bath, and ClO2 concentration (x2: 1 to 17 mg L−1) on microorganism count expressed in log CFU mL−1 in distilled water. Variable x2 had a negative effect on Salmonella Typhimurium (-5.09) and Escherichia coli (-2.00) count, improving the inactivation; while a x1 increase present no inactivation improvement, explaining the use of x1 lower level (1 min) and x2 higher level (17 mg L−1). The best condition for microorganism inactivation based on FFD was evaluated in chiller tank water (with organic matter) at 25, 16, and 4 °C; x1 was kept (1 min), however x2 was adjusted to obtain the same residual free chlorine (2.38 mg L−1) considering the ClO2 consumption by organic matter, achieving the value of 30 mg L−1. An inactivation of 49% and 31% were observed for Salmonella Typhimurium and Escherichia coli. When ultrasound was replaced by a simple agitation in the presence of ClO2, there was no inactivation for both microorganisms. Moreover, at poultry carcass pre-chilling (16 °C) and chilling (4 °C) conditions, the synergism of ultrasound combined with ClO2 was more pronounced, with microorganisms’ reductions up to 100%.Ana Paula RossiDaneysa Lahis KalschneAna Paula Iglikowski BylerEder Lisandro de Moraes FloresOldair Donizeti LeiteDaniel dos SantosJuliano Smanioto BarinCristiane CananElsevierarticleCavitationChemical agentsChlorine residueChillingGreen technologyPoultry meatChemistryQD1-999Acoustics. SoundQC221-246ENUltrasonics Sonochemistry, Vol 80, Iss , Pp 105815- (2021)
institution DOAJ
collection DOAJ
language EN
topic Cavitation
Chemical agents
Chlorine residue
Chilling
Green technology
Poultry meat
Chemistry
QD1-999
Acoustics. Sound
QC221-246
spellingShingle Cavitation
Chemical agents
Chlorine residue
Chilling
Green technology
Poultry meat
Chemistry
QD1-999
Acoustics. Sound
QC221-246
Ana Paula Rossi
Daneysa Lahis Kalschne
Ana Paula Iglikowski Byler
Eder Lisandro de Moraes Flores
Oldair Donizeti Leite
Daniel dos Santos
Juliano Smanioto Barin
Cristiane Canan
Effect of ultrasound and chlorine dioxide on Salmonella Typhimurium and Escherichia coli inactivation in poultry chiller tank water
description This study evaluated the application of ultrasound alone or combined with chlorine dioxide (ClO2) for Salmonella Typhimurium and Escherichia coli inactivation in poultry processing chiller tank water. A Full Factorial Design (FFD) 22 was conducted for each microorganism to evaluate the effect of ultrasound exposure time (x1: 1 to 9 min; fixed: 37 kHz; 330 W; 25 °C) using a bath, and ClO2 concentration (x2: 1 to 17 mg L−1) on microorganism count expressed in log CFU mL−1 in distilled water. Variable x2 had a negative effect on Salmonella Typhimurium (-5.09) and Escherichia coli (-2.00) count, improving the inactivation; while a x1 increase present no inactivation improvement, explaining the use of x1 lower level (1 min) and x2 higher level (17 mg L−1). The best condition for microorganism inactivation based on FFD was evaluated in chiller tank water (with organic matter) at 25, 16, and 4 °C; x1 was kept (1 min), however x2 was adjusted to obtain the same residual free chlorine (2.38 mg L−1) considering the ClO2 consumption by organic matter, achieving the value of 30 mg L−1. An inactivation of 49% and 31% were observed for Salmonella Typhimurium and Escherichia coli. When ultrasound was replaced by a simple agitation in the presence of ClO2, there was no inactivation for both microorganisms. Moreover, at poultry carcass pre-chilling (16 °C) and chilling (4 °C) conditions, the synergism of ultrasound combined with ClO2 was more pronounced, with microorganisms’ reductions up to 100%.
format article
author Ana Paula Rossi
Daneysa Lahis Kalschne
Ana Paula Iglikowski Byler
Eder Lisandro de Moraes Flores
Oldair Donizeti Leite
Daniel dos Santos
Juliano Smanioto Barin
Cristiane Canan
author_facet Ana Paula Rossi
Daneysa Lahis Kalschne
Ana Paula Iglikowski Byler
Eder Lisandro de Moraes Flores
Oldair Donizeti Leite
Daniel dos Santos
Juliano Smanioto Barin
Cristiane Canan
author_sort Ana Paula Rossi
title Effect of ultrasound and chlorine dioxide on Salmonella Typhimurium and Escherichia coli inactivation in poultry chiller tank water
title_short Effect of ultrasound and chlorine dioxide on Salmonella Typhimurium and Escherichia coli inactivation in poultry chiller tank water
title_full Effect of ultrasound and chlorine dioxide on Salmonella Typhimurium and Escherichia coli inactivation in poultry chiller tank water
title_fullStr Effect of ultrasound and chlorine dioxide on Salmonella Typhimurium and Escherichia coli inactivation in poultry chiller tank water
title_full_unstemmed Effect of ultrasound and chlorine dioxide on Salmonella Typhimurium and Escherichia coli inactivation in poultry chiller tank water
title_sort effect of ultrasound and chlorine dioxide on salmonella typhimurium and escherichia coli inactivation in poultry chiller tank water
publisher Elsevier
publishDate 2021
url https://doaj.org/article/9751f0645c6245f1b2ad6b3ce1e73547
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