Inactivation of Bacillus atrophaeus endospores using cold plasma treatment

Cold plasma treatment is a novel technology that is being investigated for its use in the food industry due to its ability to inactivate microorganisms, and keep certain characteristics of freshness in food products. The efficiency of the cold plasma treatment using Argon over Bacillus atrophaeus en...

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Detalles Bibliográficos
Autor principal: Figueroa S., Juan C.
Otros Autores: Márquez, Mayra
Formato: Tesis
Lenguaje:Inglés
Publicado: Zamorano: Escuela Agrícola Panamericana, 2019. 2019
Materias:
Acceso en línea:https://bdigital.zamorano.edu/handle/11036/6516
id ZAMORANO6516
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spelling ZAMORANO65162023-03-24T15:04:27Z Inactivation of Bacillus atrophaeus endospores using cold plasma treatment Figueroa S., Juan C. Márquez, Mayra Mishra, Dharmendra Argon Dielectric barrier discharge Nonthermal technology Pathogen control Argon Control esporulados Descarga de barrera dieléctrica Tecnología no térmica Cold plasma treatment is a novel technology that is being investigated for its use in the food industry due to its ability to inactivate microorganisms, and keep certain characteristics of freshness in food products. The efficiency of the cold plasma treatment using Argon over Bacillus atrophaeus endospores was evaluated at different exposure times (30 s, 2, 4 and 6 min). Four concentrations (104 to 107 ) of B. atrophaeus endospores were inoculated on polyethylene plastic strips and treated inside a sterile sealed sample box filled with Argon. The samples were treated using a Dielectric Barrier Discharge Cold Plasma equipment with 60 kV. Results were collected using plate count method 24 and 48 h after treatment. A 1.8 Log CFU/ mL reduction of Bacillus atrophaeus endospores was achieved after 6 min of exposure using 60 kV. A standard operating procedure was elaborated for Bacillus atrophaeus spore inactivation using cold plasma. More research is needed to understand the effect of different gases over endospores of Bacillus atrophaeus 2019-11-26T04:19:35Z 2019-11-26T04:19:35Z 2019 Thesis https://bdigital.zamorano.edu/handle/11036/6516 eng 19 p. Copyright Escuela Agrícola Panamericana, Zamorano, 2019 http://creativecommons.org/licenses/by-nc-nd/3.0/es openAccess application/pdf application/pdf Zamorano Zamorano: Escuela Agrícola Panamericana, 2019.
institution Universidad Zamorano
collection Biblioteca Digital Zamorano
language Inglés
topic Argon
Dielectric barrier discharge
Nonthermal technology
Pathogen control
Argon
Control esporulados
Descarga de barrera dieléctrica
Tecnología no térmica
spellingShingle Argon
Dielectric barrier discharge
Nonthermal technology
Pathogen control
Argon
Control esporulados
Descarga de barrera dieléctrica
Tecnología no térmica
Figueroa S., Juan C.
Inactivation of Bacillus atrophaeus endospores using cold plasma treatment
description Cold plasma treatment is a novel technology that is being investigated for its use in the food industry due to its ability to inactivate microorganisms, and keep certain characteristics of freshness in food products. The efficiency of the cold plasma treatment using Argon over Bacillus atrophaeus endospores was evaluated at different exposure times (30 s, 2, 4 and 6 min). Four concentrations (104 to 107 ) of B. atrophaeus endospores were inoculated on polyethylene plastic strips and treated inside a sterile sealed sample box filled with Argon. The samples were treated using a Dielectric Barrier Discharge Cold Plasma equipment with 60 kV. Results were collected using plate count method 24 and 48 h after treatment. A 1.8 Log CFU/ mL reduction of Bacillus atrophaeus endospores was achieved after 6 min of exposure using 60 kV. A standard operating procedure was elaborated for Bacillus atrophaeus spore inactivation using cold plasma. More research is needed to understand the effect of different gases over endospores of Bacillus atrophaeus
author2 Márquez, Mayra
author_facet Márquez, Mayra
Figueroa S., Juan C.
format Tesis
author Figueroa S., Juan C.
author_sort Figueroa S., Juan C.
title Inactivation of Bacillus atrophaeus endospores using cold plasma treatment
title_short Inactivation of Bacillus atrophaeus endospores using cold plasma treatment
title_full Inactivation of Bacillus atrophaeus endospores using cold plasma treatment
title_fullStr Inactivation of Bacillus atrophaeus endospores using cold plasma treatment
title_full_unstemmed Inactivation of Bacillus atrophaeus endospores using cold plasma treatment
title_sort inactivation of bacillus atrophaeus endospores using cold plasma treatment
publisher Zamorano: Escuela Agrícola Panamericana, 2019.
publishDate 2019
url https://bdigital.zamorano.edu/handle/11036/6516
work_keys_str_mv AT figueroasjuanc inactivationofbacillusatrophaeusendosporesusingcoldplasmatreatment
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