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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2021
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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) |
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Cavitation Chemical agents Chlorine residue Chilling Green technology Poultry meat Chemistry QD1-999 Acoustics. Sound QC221-246 |
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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 |
work_keys_str_mv |
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