Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packaging

Detalhes bibliográficos
Autor(a) principal: Manzoli, José E.
Data de Publicação: 2008
Outros Autores: Lemos, Celso, Panzarini, Luz C. G. A., Félix, Juliana S. [UNESP], Monteiro, Magali [UNESP]
Tipo de documento: Artigo de conferência
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://hdl.handle.net/11449/227864
Resumo: Diffusion coefficient is an important quantity that affects any migration process on food or nutritional systems. Special care has to be done to migration of undesirable substances from packaging into foods, if the diffusion is the only process involved in mass transfer. The Fick's equation resolution permits to describe the kinetic of migration from polymer packaging into food or simulant, once it was given the correct contour and initial conditions. Another important quantity is the partition coefficient, which quantifies the relation between the final or equilibrium concentrations in polymer and that in the food or simulant. Here it is proposed a simple procedure, based on numerical resolution of the Fick's equation, where the diffusion coefficient could indirectly be measured, if the kinetic of migration had been measured and the partition coefficient is known.
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spelling Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packagingDiffusionMigrationPackagingDiffusion coefficient is an important quantity that affects any migration process on food or nutritional systems. Special care has to be done to migration of undesirable substances from packaging into foods, if the diffusion is the only process involved in mass transfer. The Fick's equation resolution permits to describe the kinetic of migration from polymer packaging into food or simulant, once it was given the correct contour and initial conditions. Another important quantity is the partition coefficient, which quantifies the relation between the final or equilibrium concentrations in polymer and that in the food or simulant. Here it is proposed a simple procedure, based on numerical resolution of the Fick's equation, where the diffusion coefficient could indirectly be measured, if the kinetic of migration had been measured and the partition coefficient is known.Instituto de Pesquisas Energéticas e Nucleares-IPEN, Centro de Tecnologia das Radiações-CTR, São PauloUniversidade São Judas Tadeu, São PauloDepartamento de Engenharia Química, Centro Universitário da FEI, São Bernardo do CampoDepartamento de Alimentos e Nutrição, Faculdade de Ciências Farmacêuticas, UNESP-AraraquaraDepartamento de Alimentos e Nutrição, Faculdade de Ciências Farmacêuticas, UNESP-AraraquaraInstituto de Pesquisas Energéticas e Nucleares-IPEN, Centro de Tecnologia das Radiações-CTRUniversidade São Judas TadeuUniversidade Estadual Paulista (UNESP)Manzoli, José E.Lemos, CelsoPanzarini, Luz C. G. A.Félix, Juliana S. [UNESP]Monteiro, Magali [UNESP]2022-04-29T07:20:29Z2022-04-29T07:20:29Z2008-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject1st IMEKO TC24 International Conference on MEFNM 2008, Together with 2nd IMEKO TC19 Conference on Environmental Measurements and 1st IMEKO TC23 Conference on Food and Nutritional Measurements.http://hdl.handle.net/11449/2278642-s2.0-84907344759Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPeng1st IMEKO TC24 International Conference on MEFNM 2008, Together with 2nd IMEKO TC19 Conference on Environmental Measurements and 1st IMEKO TC23 Conference on Food and Nutritional Measurementsinfo:eu-repo/semantics/openAccess2022-04-29T07:20:29Zoai:repositorio.unesp.br:11449/227864Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-29T07:20:29Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packaging
title Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packaging
spellingShingle Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packaging
Manzoli, José E.
Diffusion
Migration
Packaging
title_short Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packaging
title_full Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packaging
title_fullStr Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packaging
title_full_unstemmed Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packaging
title_sort Possible indirect measurement of diffusion coefficient from migration kinetic essay of food packaging
author Manzoli, José E.
author_facet Manzoli, José E.
Lemos, Celso
Panzarini, Luz C. G. A.
Félix, Juliana S. [UNESP]
Monteiro, Magali [UNESP]
author_role author
author2 Lemos, Celso
Panzarini, Luz C. G. A.
Félix, Juliana S. [UNESP]
Monteiro, Magali [UNESP]
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Instituto de Pesquisas Energéticas e Nucleares-IPEN, Centro de Tecnologia das Radiações-CTR
Universidade São Judas Tadeu
Universidade Estadual Paulista (UNESP)
dc.contributor.author.fl_str_mv Manzoli, José E.
Lemos, Celso
Panzarini, Luz C. G. A.
Félix, Juliana S. [UNESP]
Monteiro, Magali [UNESP]
dc.subject.por.fl_str_mv Diffusion
Migration
Packaging
topic Diffusion
Migration
Packaging
description Diffusion coefficient is an important quantity that affects any migration process on food or nutritional systems. Special care has to be done to migration of undesirable substances from packaging into foods, if the diffusion is the only process involved in mass transfer. The Fick's equation resolution permits to describe the kinetic of migration from polymer packaging into food or simulant, once it was given the correct contour and initial conditions. Another important quantity is the partition coefficient, which quantifies the relation between the final or equilibrium concentrations in polymer and that in the food or simulant. Here it is proposed a simple procedure, based on numerical resolution of the Fick's equation, where the diffusion coefficient could indirectly be measured, if the kinetic of migration had been measured and the partition coefficient is known.
publishDate 2008
dc.date.none.fl_str_mv 2008-01-01
2022-04-29T07:20:29Z
2022-04-29T07:20:29Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/conferenceObject
format conferenceObject
status_str publishedVersion
dc.identifier.uri.fl_str_mv 1st IMEKO TC24 International Conference on MEFNM 2008, Together with 2nd IMEKO TC19 Conference on Environmental Measurements and 1st IMEKO TC23 Conference on Food and Nutritional Measurements.
http://hdl.handle.net/11449/227864
2-s2.0-84907344759
identifier_str_mv 1st IMEKO TC24 International Conference on MEFNM 2008, Together with 2nd IMEKO TC19 Conference on Environmental Measurements and 1st IMEKO TC23 Conference on Food and Nutritional Measurements.
2-s2.0-84907344759
url http://hdl.handle.net/11449/227864
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 1st IMEKO TC24 International Conference on MEFNM 2008, Together with 2nd IMEKO TC19 Conference on Environmental Measurements and 1st IMEKO TC23 Conference on Food and Nutritional Measurements
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.none.fl_str_mv Scopus
reponame:Repositório Institucional da UNESP
instname:Universidade Estadual Paulista (UNESP)
instacron:UNESP
instname_str Universidade Estadual Paulista (UNESP)
instacron_str UNESP
institution UNESP
reponame_str Repositório Institucional da UNESP
collection Repositório Institucional da UNESP
repository.name.fl_str_mv Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)
repository.mail.fl_str_mv
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