Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Food Science and Technology (Campinas) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612022000101303 |
Resumo: | Abstract Assessment of pathogen survival is important for food safety. Listeria monocytogenes causes significant produce and food contamination worldwide. The objective of this research was to assess survival and reduction of L. monocytogenes on post-harvest carrot and tomato subjected to low-dose radiation at different storage temperatures and times. Radiation levels of 0, 0.25, 0.50, 0.75, and 1 kGy were applied on produce inoculated with L. monocytogenes. Gamma radiation reduced Listeria populations by 5.9 logs on carrot and 3.9 logs on tomato at 3 days of storage (5 °C), while reductions were 4.4 and 4.0 logs on carrot and tomato, respectively; at 7 storage days (5 °C). At 20 °C, Listeria reductions were 2.8 logs on carrot and 4.2 logs on tomato (3 storage days) and pathogen decreases were 2.2 logs on carrot and 2.9 logs on tomato (7 storage days). Although pathogen reductions by radiation treatment varied with storage temperatures and days, the linear decreases were significant as the dosage increased from 0.25 to 1.0 kGy, implying that treatments were efficacious for pathogen inactivation. As low dose gamma radiation (1 kGy) showed substantial reduction of Listeria monocytogenes on fresh carrot and tomato, thus, use of low dose low dose gamma radiation can improve the post-harvest safety of carrot and tomato. |
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Food Science and Technology (Campinas) |
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Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomatoListeria monocytogenesgamma radiationinactivationcarrottomatopost-harvestAbstract Assessment of pathogen survival is important for food safety. Listeria monocytogenes causes significant produce and food contamination worldwide. The objective of this research was to assess survival and reduction of L. monocytogenes on post-harvest carrot and tomato subjected to low-dose radiation at different storage temperatures and times. Radiation levels of 0, 0.25, 0.50, 0.75, and 1 kGy were applied on produce inoculated with L. monocytogenes. Gamma radiation reduced Listeria populations by 5.9 logs on carrot and 3.9 logs on tomato at 3 days of storage (5 °C), while reductions were 4.4 and 4.0 logs on carrot and tomato, respectively; at 7 storage days (5 °C). At 20 °C, Listeria reductions were 2.8 logs on carrot and 4.2 logs on tomato (3 storage days) and pathogen decreases were 2.2 logs on carrot and 2.9 logs on tomato (7 storage days). Although pathogen reductions by radiation treatment varied with storage temperatures and days, the linear decreases were significant as the dosage increased from 0.25 to 1.0 kGy, implying that treatments were efficacious for pathogen inactivation. As low dose gamma radiation (1 kGy) showed substantial reduction of Listeria monocytogenes on fresh carrot and tomato, thus, use of low dose low dose gamma radiation can improve the post-harvest safety of carrot and tomato.Sociedade Brasileira de Ciência e Tecnologia de Alimentos2022-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612022000101303Food Science and Technology v.42 2022reponame:Food Science and Technology (Campinas)instname:Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA)instacron:SBCTA10.1590/fst.17622info:eu-repo/semantics/openAccessBERRIOS-RODRIGUEZ,ArmarynetteOLANYA,Ocen ModestoUKUKU,Dike OgboguNIEMIRA,Brendan AnthonyMUKHOPADHYAY,SudarsanORELLANA,Lynette Esthereng2022-08-30T00:00:00Zoai:scielo:S0101-20612022000101303Revistahttp://www.scielo.br/ctaONGhttps://old.scielo.br/oai/scielo-oai.php||revista@sbcta.org.br1678-457X0101-2061opendoar:2022-08-30T00:00Food Science and Technology (Campinas) - Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA)false |
dc.title.none.fl_str_mv |
Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato |
title |
Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato |
spellingShingle |
Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato BERRIOS-RODRIGUEZ,Armarynette Listeria monocytogenes gamma radiation inactivation carrot tomato post-harvest |
title_short |
Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato |
title_full |
Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato |
title_fullStr |
Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato |
title_full_unstemmed |
Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato |
title_sort |
Gamma radiation effects on the survival and reduction of Listeria monocytogenes on carrot and tomato |
author |
BERRIOS-RODRIGUEZ,Armarynette |
author_facet |
BERRIOS-RODRIGUEZ,Armarynette OLANYA,Ocen Modesto UKUKU,Dike Ogbogu NIEMIRA,Brendan Anthony MUKHOPADHYAY,Sudarsan ORELLANA,Lynette Esther |
author_role |
author |
author2 |
OLANYA,Ocen Modesto UKUKU,Dike Ogbogu NIEMIRA,Brendan Anthony MUKHOPADHYAY,Sudarsan ORELLANA,Lynette Esther |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
BERRIOS-RODRIGUEZ,Armarynette OLANYA,Ocen Modesto UKUKU,Dike Ogbogu NIEMIRA,Brendan Anthony MUKHOPADHYAY,Sudarsan ORELLANA,Lynette Esther |
dc.subject.por.fl_str_mv |
Listeria monocytogenes gamma radiation inactivation carrot tomato post-harvest |
topic |
Listeria monocytogenes gamma radiation inactivation carrot tomato post-harvest |
description |
Abstract Assessment of pathogen survival is important for food safety. Listeria monocytogenes causes significant produce and food contamination worldwide. The objective of this research was to assess survival and reduction of L. monocytogenes on post-harvest carrot and tomato subjected to low-dose radiation at different storage temperatures and times. Radiation levels of 0, 0.25, 0.50, 0.75, and 1 kGy were applied on produce inoculated with L. monocytogenes. Gamma radiation reduced Listeria populations by 5.9 logs on carrot and 3.9 logs on tomato at 3 days of storage (5 °C), while reductions were 4.4 and 4.0 logs on carrot and tomato, respectively; at 7 storage days (5 °C). At 20 °C, Listeria reductions were 2.8 logs on carrot and 4.2 logs on tomato (3 storage days) and pathogen decreases were 2.2 logs on carrot and 2.9 logs on tomato (7 storage days). Although pathogen reductions by radiation treatment varied with storage temperatures and days, the linear decreases were significant as the dosage increased from 0.25 to 1.0 kGy, implying that treatments were efficacious for pathogen inactivation. As low dose gamma radiation (1 kGy) showed substantial reduction of Listeria monocytogenes on fresh carrot and tomato, thus, use of low dose low dose gamma radiation can improve the post-harvest safety of carrot and tomato. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-01-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612022000101303 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612022000101303 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/fst.17622 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Ciência e Tecnologia de Alimentos |
publisher.none.fl_str_mv |
Sociedade Brasileira de Ciência e Tecnologia de Alimentos |
dc.source.none.fl_str_mv |
Food Science and Technology v.42 2022 reponame:Food Science and Technology (Campinas) instname:Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA) instacron:SBCTA |
instname_str |
Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA) |
instacron_str |
SBCTA |
institution |
SBCTA |
reponame_str |
Food Science and Technology (Campinas) |
collection |
Food Science and Technology (Campinas) |
repository.name.fl_str_mv |
Food Science and Technology (Campinas) - Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA) |
repository.mail.fl_str_mv |
||revista@sbcta.org.br |
_version_ |
1752126335112708096 |