Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan
- Autores
- Lopez, Olivia Valeria; Garcia, Maria Alejandra; Villar, Marcelo Armando; Gentili, A.; Rodríguez, M. S.; Albertengo, L.
- Año de publicación
- 2014
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Films based on thermoplastic corn starch (TPS) and chitosan/chitin were obtained by melt-mixing and thermo-compression. Chitosan and chitin incorporation to TPS matrix induced some structural modifications due mainly to the interactions between starch hydroxyl and chitosan/chitin amino groups. Crystallinity degree of TPS films was increased with biopolymers incorporation. Enthalpy melting values for TPSechitosan/chitin films resulted lower than those corresponding to TPS control ones. Films had homogeneous and smooth surfaces, without pores and cracks and no glycerol migration was evidenced by Scanning Electronic Microscopy. Films fracture surfaces were uniform without the presence of unmelting starch granules neither chitosan/chitin agglomerates. Films with chitosan/chitin presented higher color, UV absorption capacity and opacity than TPS films. Addition of 10 g chitosan or chitin/100 g starch decreased 35 and 56% water vapor permeability, respectively. Biopolymers addition to TPS increased tensile strength and elastic modulus, and decreased elongation at break. Starch and glycerol rich domains where evidenced in TPS matrixes by Dynamic Mechanical Analysis. Finally, TPS-chitosan films reduced Staphylococcus aureus and Escherichia coli growth in the contact zone.
Fil: Lopez, Olivia Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Investigaciones En Criotecnología de Alimentos (i); Argentina. Universidad Nacional del Sur. Departamento de Ingenieria Quimica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas; Argentina
Fil: Garcia, Maria Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Investigaciones En Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas; Argentina
Fil: Villar, Marcelo Armando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina. Universidad Nacional del Sur. Departamento de Ingenieria Quimica; Argentina
Fil: Gentili, A.. Universidad Nacional del Sur. Departamento de Biología, Bioquímica y Farmacia; Argentina
Fil: Rodríguez, M. S.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Instituto de Química del Sur; Argentina. Universidad Nacional del Sur. Departamento de Química; Argentina
Fil: Albertengo, L.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Instituto de Química del Sur; Argentina. Universidad Nacional del Sur. Departamento de Química; Argentina - Materia
-
Thermoplastic Corn Starch Films with Chitosan And Chitin
Thermo-Compression
Structural Characterization
Barrier And Mechanical Properties
Antimicrobial Capacity - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/13541
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Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosanLopez, Olivia ValeriaGarcia, Maria AlejandraVillar, Marcelo ArmandoGentili, A.Rodríguez, M. S.Albertengo, L.Thermoplastic Corn Starch Films with Chitosan And ChitinThermo-CompressionStructural CharacterizationBarrier And Mechanical PropertiesAntimicrobial Capacityhttps://purl.org/becyt/ford/2.5https://purl.org/becyt/ford/2Films based on thermoplastic corn starch (TPS) and chitosan/chitin were obtained by melt-mixing and thermo-compression. Chitosan and chitin incorporation to TPS matrix induced some structural modifications due mainly to the interactions between starch hydroxyl and chitosan/chitin amino groups. Crystallinity degree of TPS films was increased with biopolymers incorporation. Enthalpy melting values for TPSechitosan/chitin films resulted lower than those corresponding to TPS control ones. Films had homogeneous and smooth surfaces, without pores and cracks and no glycerol migration was evidenced by Scanning Electronic Microscopy. Films fracture surfaces were uniform without the presence of unmelting starch granules neither chitosan/chitin agglomerates. Films with chitosan/chitin presented higher color, UV absorption capacity and opacity than TPS films. Addition of 10 g chitosan or chitin/100 g starch decreased 35 and 56% water vapor permeability, respectively. Biopolymers addition to TPS increased tensile strength and elastic modulus, and decreased elongation at break. Starch and glycerol rich domains where evidenced in TPS matrixes by Dynamic Mechanical Analysis. Finally, TPS-chitosan films reduced Staphylococcus aureus and Escherichia coli growth in the contact zone.Fil: Lopez, Olivia Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Investigaciones En Criotecnología de Alimentos (i); Argentina. Universidad Nacional del Sur. Departamento de Ingenieria Quimica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas; ArgentinaFil: Garcia, Maria Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Investigaciones En Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas; ArgentinaFil: Villar, Marcelo Armando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina. Universidad Nacional del Sur. Departamento de Ingenieria Quimica; ArgentinaFil: Gentili, A.. Universidad Nacional del Sur. Departamento de Biología, Bioquímica y Farmacia; ArgentinaFil: Rodríguez, M. S.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Instituto de Química del Sur; Argentina. Universidad Nacional del Sur. Departamento de Química; ArgentinaFil: Albertengo, L.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Instituto de Química del Sur; Argentina. Universidad Nacional del Sur. Departamento de Química; ArgentinaElsevier2014-06info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/13541Lopez, Olivia Valeria; Garcia, Maria Alejandra; Villar, Marcelo Armando; Gentili, A.; Rodríguez, M. S.; et al.; Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan; Elsevier; LWT - Food Science and Technology; 57; 1; 6-2014; 106-1150023-6438enginfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0023643814000413info:eu-repo/semantics/altIdentifier/doi/10.1016/j.lwt.2014.01.024info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-10-22T12:19:14Zoai:ri.conicet.gov.ar:11336/13541instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-10-22 12:19:15.132CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan |
title |
Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan |
spellingShingle |
Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan Lopez, Olivia Valeria Thermoplastic Corn Starch Films with Chitosan And Chitin Thermo-Compression Structural Characterization Barrier And Mechanical Properties Antimicrobial Capacity |
title_short |
Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan |
title_full |
Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan |
title_fullStr |
Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan |
title_full_unstemmed |
Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan |
title_sort |
Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan |
dc.creator.none.fl_str_mv |
Lopez, Olivia Valeria Garcia, Maria Alejandra Villar, Marcelo Armando Gentili, A. Rodríguez, M. S. Albertengo, L. |
author |
Lopez, Olivia Valeria |
author_facet |
Lopez, Olivia Valeria Garcia, Maria Alejandra Villar, Marcelo Armando Gentili, A. Rodríguez, M. S. Albertengo, L. |
author_role |
author |
author2 |
Garcia, Maria Alejandra Villar, Marcelo Armando Gentili, A. Rodríguez, M. S. Albertengo, L. |
author2_role |
author author author author author |
dc.subject.none.fl_str_mv |
Thermoplastic Corn Starch Films with Chitosan And Chitin Thermo-Compression Structural Characterization Barrier And Mechanical Properties Antimicrobial Capacity |
topic |
Thermoplastic Corn Starch Films with Chitosan And Chitin Thermo-Compression Structural Characterization Barrier And Mechanical Properties Antimicrobial Capacity |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/2.5 https://purl.org/becyt/ford/2 |
dc.description.none.fl_txt_mv |
Films based on thermoplastic corn starch (TPS) and chitosan/chitin were obtained by melt-mixing and thermo-compression. Chitosan and chitin incorporation to TPS matrix induced some structural modifications due mainly to the interactions between starch hydroxyl and chitosan/chitin amino groups. Crystallinity degree of TPS films was increased with biopolymers incorporation. Enthalpy melting values for TPSechitosan/chitin films resulted lower than those corresponding to TPS control ones. Films had homogeneous and smooth surfaces, without pores and cracks and no glycerol migration was evidenced by Scanning Electronic Microscopy. Films fracture surfaces were uniform without the presence of unmelting starch granules neither chitosan/chitin agglomerates. Films with chitosan/chitin presented higher color, UV absorption capacity and opacity than TPS films. Addition of 10 g chitosan or chitin/100 g starch decreased 35 and 56% water vapor permeability, respectively. Biopolymers addition to TPS increased tensile strength and elastic modulus, and decreased elongation at break. Starch and glycerol rich domains where evidenced in TPS matrixes by Dynamic Mechanical Analysis. Finally, TPS-chitosan films reduced Staphylococcus aureus and Escherichia coli growth in the contact zone. Fil: Lopez, Olivia Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Investigaciones En Criotecnología de Alimentos (i); Argentina. Universidad Nacional del Sur. Departamento de Ingenieria Quimica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas; Argentina Fil: Garcia, Maria Alejandra. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico la Plata. Centro de Investigaciones En Criotecnología de Alimentos (i); Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Exactas; Argentina Fil: Villar, Marcelo Armando. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Planta Piloto de Ingeniería Química (i); Argentina. Universidad Nacional del Sur. Departamento de Ingenieria Quimica; Argentina Fil: Gentili, A.. Universidad Nacional del Sur. Departamento de Biología, Bioquímica y Farmacia; Argentina Fil: Rodríguez, M. S.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Instituto de Química del Sur; Argentina. Universidad Nacional del Sur. Departamento de Química; Argentina Fil: Albertengo, L.. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Bahía Blanca. Instituto de Química del Sur; Argentina. Universidad Nacional del Sur. Departamento de Química; Argentina |
description |
Films based on thermoplastic corn starch (TPS) and chitosan/chitin were obtained by melt-mixing and thermo-compression. Chitosan and chitin incorporation to TPS matrix induced some structural modifications due mainly to the interactions between starch hydroxyl and chitosan/chitin amino groups. Crystallinity degree of TPS films was increased with biopolymers incorporation. Enthalpy melting values for TPSechitosan/chitin films resulted lower than those corresponding to TPS control ones. Films had homogeneous and smooth surfaces, without pores and cracks and no glycerol migration was evidenced by Scanning Electronic Microscopy. Films fracture surfaces were uniform without the presence of unmelting starch granules neither chitosan/chitin agglomerates. Films with chitosan/chitin presented higher color, UV absorption capacity and opacity than TPS films. Addition of 10 g chitosan or chitin/100 g starch decreased 35 and 56% water vapor permeability, respectively. Biopolymers addition to TPS increased tensile strength and elastic modulus, and decreased elongation at break. Starch and glycerol rich domains where evidenced in TPS matrixes by Dynamic Mechanical Analysis. Finally, TPS-chitosan films reduced Staphylococcus aureus and Escherichia coli growth in the contact zone. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-06 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/13541 Lopez, Olivia Valeria; Garcia, Maria Alejandra; Villar, Marcelo Armando; Gentili, A.; Rodríguez, M. S.; et al.; Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan; Elsevier; LWT - Food Science and Technology; 57; 1; 6-2014; 106-115 0023-6438 |
url |
http://hdl.handle.net/11336/13541 |
identifier_str_mv |
Lopez, Olivia Valeria; Garcia, Maria Alejandra; Villar, Marcelo Armando; Gentili, A.; Rodríguez, M. S.; et al.; Thermo-compression of biodegradable thermoplastic corn starch films containing chitin and chitosan; Elsevier; LWT - Food Science and Technology; 57; 1; 6-2014; 106-115 0023-6438 |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S0023643814000413 info:eu-repo/semantics/altIdentifier/doi/10.1016/j.lwt.2014.01.024 |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf application/pdf application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier |
publisher.none.fl_str_mv |
Elsevier |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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score |
12.928904 |