Green tea extract: a proposal for fresh vegetable sanitization
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=S0101-20612022000101235 |
Resumo: | Abstract Sanitization is an essential step in reducing microorganisms since it ensures product safety for consumption. Medicinal plants have been widely used for such a purpose; among these is Camellia sinensis Linnaeus., which exerts antimicrobial action. However, studies on adopting this plant for sanitizing vegetables are scarce. The current study evaluates green tea’s antimicrobial action against bacteria responsible for vegetable contamination. Green tea extracts (dry leaves and powder) at different concentrations were assessed based on the spectrum of action (1.0%, 2.5%, 5%, 7.5%, 10%), minimum inhibition concentration, and minimum bactericidal concentration (0.47%, 1.0%, 2.5%, 5%, 7.5%, 10%, 30%, 60%). A challenge test was applied to tomatoes intentionally contaminated with pathogens to evaluate green tea extracts (30% and 60%). Application of 10% green tea extract impeded the formation of inhibition zones Escherichia coli, Salmonella enterica serovar Enteritidis (S. Enteritidis), Staphylococcus aureus, and Enterococcus faecalis in 7.41 mm, 6.83 mm, 7.33 mm, and 6.58 mm, respectively. The count of S. Enteritidis adhered to surfaces of the tomatoes decreased most significantly after treatment application. Thus, based on the current results, green tea leaf extract exhibits antimicrobial action, which makes it a potential natural sanitizer. |
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Green tea extract: a proposal for fresh vegetable sanitizationsanitizersCamellia sinensis L.qualityantibacterial activityfresh vegetablesAbstract Sanitization is an essential step in reducing microorganisms since it ensures product safety for consumption. Medicinal plants have been widely used for such a purpose; among these is Camellia sinensis Linnaeus., which exerts antimicrobial action. However, studies on adopting this plant for sanitizing vegetables are scarce. The current study evaluates green tea’s antimicrobial action against bacteria responsible for vegetable contamination. Green tea extracts (dry leaves and powder) at different concentrations were assessed based on the spectrum of action (1.0%, 2.5%, 5%, 7.5%, 10%), minimum inhibition concentration, and minimum bactericidal concentration (0.47%, 1.0%, 2.5%, 5%, 7.5%, 10%, 30%, 60%). A challenge test was applied to tomatoes intentionally contaminated with pathogens to evaluate green tea extracts (30% and 60%). Application of 10% green tea extract impeded the formation of inhibition zones Escherichia coli, Salmonella enterica serovar Enteritidis (S. Enteritidis), Staphylococcus aureus, and Enterococcus faecalis in 7.41 mm, 6.83 mm, 7.33 mm, and 6.58 mm, respectively. The count of S. Enteritidis adhered to surfaces of the tomatoes decreased most significantly after treatment application. Thus, based on the current results, green tea leaf extract exhibits antimicrobial action, which makes it a potential natural sanitizer.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=S0101-20612022000101235Food 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.63421info:eu-repo/semantics/openAccessNASCIMENTO,Rosiane CosmeSÃO JOSÉ,Jackline Freitas Brilhante deeng2022-07-08T00:00:00Zoai:scielo:S0101-20612022000101235Revistahttp://www.scielo.br/ctaONGhttps://old.scielo.br/oai/scielo-oai.php||revista@sbcta.org.br1678-457X0101-2061opendoar:2022-07-08T00:00Food Science and Technology (Campinas) - Sociedade Brasileira de Ciência e Tecnologia de Alimentos (SBCTA)false |
dc.title.none.fl_str_mv |
Green tea extract: a proposal for fresh vegetable sanitization |
title |
Green tea extract: a proposal for fresh vegetable sanitization |
spellingShingle |
Green tea extract: a proposal for fresh vegetable sanitization NASCIMENTO,Rosiane Cosme sanitizers Camellia sinensis L. quality antibacterial activity fresh vegetables |
title_short |
Green tea extract: a proposal for fresh vegetable sanitization |
title_full |
Green tea extract: a proposal for fresh vegetable sanitization |
title_fullStr |
Green tea extract: a proposal for fresh vegetable sanitization |
title_full_unstemmed |
Green tea extract: a proposal for fresh vegetable sanitization |
title_sort |
Green tea extract: a proposal for fresh vegetable sanitization |
author |
NASCIMENTO,Rosiane Cosme |
author_facet |
NASCIMENTO,Rosiane Cosme SÃO JOSÉ,Jackline Freitas Brilhante de |
author_role |
author |
author2 |
SÃO JOSÉ,Jackline Freitas Brilhante de |
author2_role |
author |
dc.contributor.author.fl_str_mv |
NASCIMENTO,Rosiane Cosme SÃO JOSÉ,Jackline Freitas Brilhante de |
dc.subject.por.fl_str_mv |
sanitizers Camellia sinensis L. quality antibacterial activity fresh vegetables |
topic |
sanitizers Camellia sinensis L. quality antibacterial activity fresh vegetables |
description |
Abstract Sanitization is an essential step in reducing microorganisms since it ensures product safety for consumption. Medicinal plants have been widely used for such a purpose; among these is Camellia sinensis Linnaeus., which exerts antimicrobial action. However, studies on adopting this plant for sanitizing vegetables are scarce. The current study evaluates green tea’s antimicrobial action against bacteria responsible for vegetable contamination. Green tea extracts (dry leaves and powder) at different concentrations were assessed based on the spectrum of action (1.0%, 2.5%, 5%, 7.5%, 10%), minimum inhibition concentration, and minimum bactericidal concentration (0.47%, 1.0%, 2.5%, 5%, 7.5%, 10%, 30%, 60%). A challenge test was applied to tomatoes intentionally contaminated with pathogens to evaluate green tea extracts (30% and 60%). Application of 10% green tea extract impeded the formation of inhibition zones Escherichia coli, Salmonella enterica serovar Enteritidis (S. Enteritidis), Staphylococcus aureus, and Enterococcus faecalis in 7.41 mm, 6.83 mm, 7.33 mm, and 6.58 mm, respectively. The count of S. Enteritidis adhered to surfaces of the tomatoes decreased most significantly after treatment application. Thus, based on the current results, green tea leaf extract exhibits antimicrobial action, which makes it a potential natural sanitizer. |
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=S0101-20612022000101235 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612022000101235 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/fst.63421 |
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 |
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1752126334984781824 |