Efficiency of oxygen - absorbing sachets in different relative humidities and temperatures

Detalhes bibliográficos
Autor(a) principal: Cruz, Renato Souza
Data de Publicação: 2007
Outros Autores: Soares, Nilda de Fátima Ferreira, Andrade, Nélio José de
Tipo de documento: Artigo
Idioma: eng
Título da fonte: LOCUS Repositório Institucional da UFV
Texto Completo: http://dx.doi.org/10.1590/S1413-70542007000600029
http://locus.ufv.br//handle/123456789/25784
Resumo: The main objective of this work was to evaluate the efficiency of oxygen - absorbing sachets at relative humidity of 75%, 80% and 85% and different temperatures, 10±2 oC and 25±2 oC. The experiment consisted in determining the O2 absorption under these conditions. A sachet was placed in desiccators with an internal air homogenization system. Aliquots of air were removed at pre- established time intervals and analyzed for oxygen content. The results showed that oxygen absorption by the sachet increased as the relative humidity increased for both temperature. Therefore the oxygen - absorbing sachets were most active under 25±2oC and 85% relative humidity. At ambient condition (25±2oC/75%RH) the rate of oxygen absorbed was 50 mL/day and 18,5 mL/day for 10±2oC. It was used a totally casualized design with three replicates.
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spelling Efficiency of oxygen - absorbing sachets in different relative humidities and temperaturesActive packagingOxygen - absorbingRelative humidityTemperatureEmbalagem ativaSachês absorvedores de oxigênioUmidade relativaTemperaturaThe main objective of this work was to evaluate the efficiency of oxygen - absorbing sachets at relative humidity of 75%, 80% and 85% and different temperatures, 10±2 oC and 25±2 oC. The experiment consisted in determining the O2 absorption under these conditions. A sachet was placed in desiccators with an internal air homogenization system. Aliquots of air were removed at pre- established time intervals and analyzed for oxygen content. The results showed that oxygen absorption by the sachet increased as the relative humidity increased for both temperature. Therefore the oxygen - absorbing sachets were most active under 25±2oC and 85% relative humidity. At ambient condition (25±2oC/75%RH) the rate of oxygen absorbed was 50 mL/day and 18,5 mL/day for 10±2oC. It was used a totally casualized design with three replicates.O objetivo principal deste trabalho foi avaliar a eficiência de sachês absorvedores de oxigênio a 75%, 80% e 85% de umidade relativa e diferentes temperaturas, 10±2 oC e 25±2 oC. O experimento consiste em determinar a absorção de O2 sob essas condições. Um sachê foi colocado dentro de um dessecador contendo um sistema de homogeneização do ar interno. Alíquotas de ar são retiradas dos dessecadores em intervalos de tempos pré-estabelecido e seu conteúdo de oxigênio analisado. Os resultados mostraram que a absorção de oxigênio pelos saches aumentaram com o aumento da temperatura para ambas as temperaturas. No entanto, os sachês mostraram uma maior eficiência para 85% de umidade relativa e 25±2oC de temperatura. Na condição ambiente (25±2oC/75%RH), a taxa de absorção dos sachês foi de 50 mL/dia e 18,5 mL/dia para 10±2oC. O experimento foi conduzido com delineamento experimental inteiramente casualizado, com três repetições.Ciência e Agrotecnologia2019-06-11T14:42:41Z2019-06-11T14:42:41Z2007-11info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articlepdfapplication/pdf1981-1829http://dx.doi.org/10.1590/S1413-70542007000600029http://locus.ufv.br//handle/123456789/25784engv. 31, n. 6, p. 1800- 1804, nov./ dez. 2007Cruz, Renato SouzaSoares, Nilda de Fátima FerreiraAndrade, Nélio José deinfo:eu-repo/semantics/openAccessreponame:LOCUS Repositório Institucional da UFVinstname:Universidade Federal de Viçosa (UFV)instacron:UFV2024-07-12T07:35:45Zoai:locus.ufv.br:123456789/25784Repositório InstitucionalPUBhttps://www.locus.ufv.br/oai/requestfabiojreis@ufv.bropendoar:21452024-07-12T07:35:45LOCUS Repositório Institucional da UFV - Universidade Federal de Viçosa (UFV)false
dc.title.none.fl_str_mv Efficiency of oxygen - absorbing sachets in different relative humidities and temperatures
title Efficiency of oxygen - absorbing sachets in different relative humidities and temperatures
spellingShingle Efficiency of oxygen - absorbing sachets in different relative humidities and temperatures
Cruz, Renato Souza
Active packaging
Oxygen - absorbing
Relative humidity
Temperature
Embalagem ativa
Sachês absorvedores de oxigênio
Umidade relativa
Temperatura
title_short Efficiency of oxygen - absorbing sachets in different relative humidities and temperatures
title_full Efficiency of oxygen - absorbing sachets in different relative humidities and temperatures
title_fullStr Efficiency of oxygen - absorbing sachets in different relative humidities and temperatures
title_full_unstemmed Efficiency of oxygen - absorbing sachets in different relative humidities and temperatures
title_sort Efficiency of oxygen - absorbing sachets in different relative humidities and temperatures
author Cruz, Renato Souza
author_facet Cruz, Renato Souza
Soares, Nilda de Fátima Ferreira
Andrade, Nélio José de
author_role author
author2 Soares, Nilda de Fátima Ferreira
Andrade, Nélio José de
author2_role author
author
dc.contributor.author.fl_str_mv Cruz, Renato Souza
Soares, Nilda de Fátima Ferreira
Andrade, Nélio José de
dc.subject.por.fl_str_mv Active packaging
Oxygen - absorbing
Relative humidity
Temperature
Embalagem ativa
Sachês absorvedores de oxigênio
Umidade relativa
Temperatura
topic Active packaging
Oxygen - absorbing
Relative humidity
Temperature
Embalagem ativa
Sachês absorvedores de oxigênio
Umidade relativa
Temperatura
description The main objective of this work was to evaluate the efficiency of oxygen - absorbing sachets at relative humidity of 75%, 80% and 85% and different temperatures, 10±2 oC and 25±2 oC. The experiment consisted in determining the O2 absorption under these conditions. A sachet was placed in desiccators with an internal air homogenization system. Aliquots of air were removed at pre- established time intervals and analyzed for oxygen content. The results showed that oxygen absorption by the sachet increased as the relative humidity increased for both temperature. Therefore the oxygen - absorbing sachets were most active under 25±2oC and 85% relative humidity. At ambient condition (25±2oC/75%RH) the rate of oxygen absorbed was 50 mL/day and 18,5 mL/day for 10±2oC. It was used a totally casualized design with three replicates.
publishDate 2007
dc.date.none.fl_str_mv 2007-11
2019-06-11T14:42:41Z
2019-06-11T14:42:41Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv 1981-1829
http://dx.doi.org/10.1590/S1413-70542007000600029
http://locus.ufv.br//handle/123456789/25784
identifier_str_mv 1981-1829
url http://dx.doi.org/10.1590/S1413-70542007000600029
http://locus.ufv.br//handle/123456789/25784
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv v. 31, n. 6, p. 1800- 1804, nov./ dez. 2007
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv pdf
application/pdf
dc.publisher.none.fl_str_mv Ciência e Agrotecnologia
publisher.none.fl_str_mv Ciência e Agrotecnologia
dc.source.none.fl_str_mv reponame:LOCUS Repositório Institucional da UFV
instname:Universidade Federal de Viçosa (UFV)
instacron:UFV
instname_str Universidade Federal de Viçosa (UFV)
instacron_str UFV
institution UFV
reponame_str LOCUS Repositório Institucional da UFV
collection LOCUS Repositório Institucional da UFV
repository.name.fl_str_mv LOCUS Repositório Institucional da UFV - Universidade Federal de Viçosa (UFV)
repository.mail.fl_str_mv fabiojreis@ufv.br
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