Efficacy of ozone in the microbiological disinfection of maize grains

Detalhes bibliográficos
Autor(a) principal: Brito Júnior,Joel Guimarães de
Data de Publicação: 2018
Outros Autores: Faroni,Lêda Rita D’Antonino, Cecon,Paulo Roberto, Benevenuto,Wellingta Cristina Almeida do Nascimento, Benevenuto Júnior,Augusto Aloísio, Heleno,Fernanda Fernandes
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Brazilian Journal of Food Technology
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1981-67232018000100440
Resumo: Abstract This research aimed to determine the effectiveness of ozone in the microbiological disinfection of maize grains. Two kg samples of maize grains were used with moisture contents of 14.4% (w.b.), and 94% and 97% of natural infection by Penicillium spp and Aspergillus spp, respectively. The gas was applied at a concentration of 2.14 mg L-1 and flow rate of 5.8 L min-1 for 370 min at 25 ºC ± 2 ºC in order to determine the ozone concentration and saturation time of the maize grains. The experiment was installed according to a split plot design, with two treatments in the plots (atmospheric air and ozone gas) and exposure times of (0, 10, 20, 30 and 50 h) in the subplots, in a completely randomized design. It was shown that the ozone concentration and saturation time in the grain mass were 0.9874 mg L-1 and 138.56 min, respectively. Ozonation was effective in controlling storage fungi in the grain mass with 50 h of exposure to the gas, reducing the rate of incidence of Aspergillus spp (78.5%) and Penicillium spp (98.0%), thereby confirming its fungicidal effect under the conditions presented.
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spelling Efficacy of ozone in the microbiological disinfection of maize grainsZea mays L.OzonationMycotoxigenic fungiAspergillus sppPenicillium sppStored grainsAbstract This research aimed to determine the effectiveness of ozone in the microbiological disinfection of maize grains. Two kg samples of maize grains were used with moisture contents of 14.4% (w.b.), and 94% and 97% of natural infection by Penicillium spp and Aspergillus spp, respectively. The gas was applied at a concentration of 2.14 mg L-1 and flow rate of 5.8 L min-1 for 370 min at 25 ºC ± 2 ºC in order to determine the ozone concentration and saturation time of the maize grains. The experiment was installed according to a split plot design, with two treatments in the plots (atmospheric air and ozone gas) and exposure times of (0, 10, 20, 30 and 50 h) in the subplots, in a completely randomized design. It was shown that the ozone concentration and saturation time in the grain mass were 0.9874 mg L-1 and 138.56 min, respectively. Ozonation was effective in controlling storage fungi in the grain mass with 50 h of exposure to the gas, reducing the rate of incidence of Aspergillus spp (78.5%) and Penicillium spp (98.0%), thereby confirming its fungicidal effect under the conditions presented.Instituto de Tecnologia de Alimentos - ITAL2018-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1981-67232018000100440Brazilian Journal of Food Technology v.21 2018reponame:Brazilian Journal of Food Technologyinstname:Instituto de Tecnologia de Alimentos (ITAL)instacron:ITAL10.1590/1981-6723.02217info:eu-repo/semantics/openAccessBrito Júnior,Joel Guimarães deFaroni,Lêda Rita D’AntoninoCecon,Paulo RobertoBenevenuto,Wellingta Cristina Almeida do NascimentoBenevenuto Júnior,Augusto AloísioHeleno,Fernanda Fernandeseng2018-06-04T00:00:00Zoai:scielo:S1981-67232018000100440Revistahttp://bjft.ital.sp.gov.br/https://old.scielo.br/oai/scielo-oai.phpbjftsec@ital.sp.gov.br||bjftsec@ital.sp.gov.br1981-67231516-7275opendoar:2018-06-04T00:00Brazilian Journal of Food Technology - Instituto de Tecnologia de Alimentos (ITAL)false
dc.title.none.fl_str_mv Efficacy of ozone in the microbiological disinfection of maize grains
title Efficacy of ozone in the microbiological disinfection of maize grains
spellingShingle Efficacy of ozone in the microbiological disinfection of maize grains
Brito Júnior,Joel Guimarães de
Zea mays L.
Ozonation
Mycotoxigenic fungi
Aspergillus spp
Penicillium spp
Stored grains
title_short Efficacy of ozone in the microbiological disinfection of maize grains
title_full Efficacy of ozone in the microbiological disinfection of maize grains
title_fullStr Efficacy of ozone in the microbiological disinfection of maize grains
title_full_unstemmed Efficacy of ozone in the microbiological disinfection of maize grains
title_sort Efficacy of ozone in the microbiological disinfection of maize grains
author Brito Júnior,Joel Guimarães de
author_facet Brito Júnior,Joel Guimarães de
Faroni,Lêda Rita D’Antonino
Cecon,Paulo Roberto
Benevenuto,Wellingta Cristina Almeida do Nascimento
Benevenuto Júnior,Augusto Aloísio
Heleno,Fernanda Fernandes
author_role author
author2 Faroni,Lêda Rita D’Antonino
Cecon,Paulo Roberto
Benevenuto,Wellingta Cristina Almeida do Nascimento
Benevenuto Júnior,Augusto Aloísio
Heleno,Fernanda Fernandes
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Brito Júnior,Joel Guimarães de
Faroni,Lêda Rita D’Antonino
Cecon,Paulo Roberto
Benevenuto,Wellingta Cristina Almeida do Nascimento
Benevenuto Júnior,Augusto Aloísio
Heleno,Fernanda Fernandes
dc.subject.por.fl_str_mv Zea mays L.
Ozonation
Mycotoxigenic fungi
Aspergillus spp
Penicillium spp
Stored grains
topic Zea mays L.
Ozonation
Mycotoxigenic fungi
Aspergillus spp
Penicillium spp
Stored grains
description Abstract This research aimed to determine the effectiveness of ozone in the microbiological disinfection of maize grains. Two kg samples of maize grains were used with moisture contents of 14.4% (w.b.), and 94% and 97% of natural infection by Penicillium spp and Aspergillus spp, respectively. The gas was applied at a concentration of 2.14 mg L-1 and flow rate of 5.8 L min-1 for 370 min at 25 ºC ± 2 ºC in order to determine the ozone concentration and saturation time of the maize grains. The experiment was installed according to a split plot design, with two treatments in the plots (atmospheric air and ozone gas) and exposure times of (0, 10, 20, 30 and 50 h) in the subplots, in a completely randomized design. It was shown that the ozone concentration and saturation time in the grain mass were 0.9874 mg L-1 and 138.56 min, respectively. Ozonation was effective in controlling storage fungi in the grain mass with 50 h of exposure to the gas, reducing the rate of incidence of Aspergillus spp (78.5%) and Penicillium spp (98.0%), thereby confirming its fungicidal effect under the conditions presented.
publishDate 2018
dc.date.none.fl_str_mv 2018-01-01
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=S1981-67232018000100440
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1981-67232018000100440
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1981-6723.02217
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 Instituto de Tecnologia de Alimentos - ITAL
publisher.none.fl_str_mv Instituto de Tecnologia de Alimentos - ITAL
dc.source.none.fl_str_mv Brazilian Journal of Food Technology v.21 2018
reponame:Brazilian Journal of Food Technology
instname:Instituto de Tecnologia de Alimentos (ITAL)
instacron:ITAL
instname_str Instituto de Tecnologia de Alimentos (ITAL)
instacron_str ITAL
institution ITAL
reponame_str Brazilian Journal of Food Technology
collection Brazilian Journal of Food Technology
repository.name.fl_str_mv Brazilian Journal of Food Technology - Instituto de Tecnologia de Alimentos (ITAL)
repository.mail.fl_str_mv bjftsec@ital.sp.gov.br||bjftsec@ital.sp.gov.br
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