Optical and Structural Properties of Zein-Xanthan Gum Biofilms
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | |
Tipo de documento: | Artigo de conferência |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1002/masy.200900082 http://hdl.handle.net/11449/21874 |
Resumo: | Structural and optical characteristics of zein-based films produced with different xanthan gum concentrations have been studied in this work. Scanning electronic microscopy (SEM) and optical microscopy (OM) were performed to identify if the incorporation of the material into the matrix film, formed a homogeneous structure, as well as to characterize its constituents as the colour and shape. SEM showed a homogeneous matrix for the control (0% xanthan) with good lipid distribution. However, when the samples were investigated by OM, lipids globules in the control biofilm appeared larger and more dispersed in the matrix than the others samples. Transparency/opacity test measurements by UV-VIS analysis indicated that the addition of xanthan to the film matrix lowered significantly its transparency properties Overall, the addition of xanthan gum favoured lipid dispersion in the matrix, making biomaterials more homogeneous, although with less transparency. |
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Optical and Structural Properties of Zein-Xanthan Gum BiofilmsBiopolymercompositesXanthan gumZeinStructural and optical characteristics of zein-based films produced with different xanthan gum concentrations have been studied in this work. Scanning electronic microscopy (SEM) and optical microscopy (OM) were performed to identify if the incorporation of the material into the matrix film, formed a homogeneous structure, as well as to characterize its constituents as the colour and shape. SEM showed a homogeneous matrix for the control (0% xanthan) with good lipid distribution. However, when the samples were investigated by OM, lipids globules in the control biofilm appeared larger and more dispersed in the matrix than the others samples. Transparency/opacity test measurements by UV-VIS analysis indicated that the addition of xanthan to the film matrix lowered significantly its transparency properties Overall, the addition of xanthan gum favoured lipid dispersion in the matrix, making biomaterials more homogeneous, although with less transparency.UNESP, Dept Food Engn & Technol, BR-15054000 Sao Jose do Rio Preto, BrazilUNESP, Dept Food Engn & Technol, BR-15054000 Sao Jose do Rio Preto, BrazilWiley-v C H Verlag GmbhUniversidade Estadual Paulista (Unesp)de Almeida, Crislene Barbosa [UNESP]Lopes Filho, Jose Francisco [UNESP]2014-05-20T14:02:02Z2014-05-20T14:02:02Z2011-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/conferenceObject20-25http://dx.doi.org/10.1002/masy.200900082Brazilian Polymer Congress. Weinheim: Wiley-v C H Verlag Gmbh, v. 299-300, p. 20-25, 2011.1022-1360http://hdl.handle.net/11449/2187410.1002/masy.200900082WOS:000298852100003Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBrazilian Polymer Congress0,235info:eu-repo/semantics/openAccess2021-10-23T21:41:36Zoai:repositorio.unesp.br:11449/21874Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462021-10-23T21:41:36Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Optical and Structural Properties of Zein-Xanthan Gum Biofilms |
title |
Optical and Structural Properties of Zein-Xanthan Gum Biofilms |
spellingShingle |
Optical and Structural Properties of Zein-Xanthan Gum Biofilms de Almeida, Crislene Barbosa [UNESP] Biopolymer composites Xanthan gum Zein |
title_short |
Optical and Structural Properties of Zein-Xanthan Gum Biofilms |
title_full |
Optical and Structural Properties of Zein-Xanthan Gum Biofilms |
title_fullStr |
Optical and Structural Properties of Zein-Xanthan Gum Biofilms |
title_full_unstemmed |
Optical and Structural Properties of Zein-Xanthan Gum Biofilms |
title_sort |
Optical and Structural Properties of Zein-Xanthan Gum Biofilms |
author |
de Almeida, Crislene Barbosa [UNESP] |
author_facet |
de Almeida, Crislene Barbosa [UNESP] Lopes Filho, Jose Francisco [UNESP] |
author_role |
author |
author2 |
Lopes Filho, Jose Francisco [UNESP] |
author2_role |
author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
de Almeida, Crislene Barbosa [UNESP] Lopes Filho, Jose Francisco [UNESP] |
dc.subject.por.fl_str_mv |
Biopolymer composites Xanthan gum Zein |
topic |
Biopolymer composites Xanthan gum Zein |
description |
Structural and optical characteristics of zein-based films produced with different xanthan gum concentrations have been studied in this work. Scanning electronic microscopy (SEM) and optical microscopy (OM) were performed to identify if the incorporation of the material into the matrix film, formed a homogeneous structure, as well as to characterize its constituents as the colour and shape. SEM showed a homogeneous matrix for the control (0% xanthan) with good lipid distribution. However, when the samples were investigated by OM, lipids globules in the control biofilm appeared larger and more dispersed in the matrix than the others samples. Transparency/opacity test measurements by UV-VIS analysis indicated that the addition of xanthan to the film matrix lowered significantly its transparency properties Overall, the addition of xanthan gum favoured lipid dispersion in the matrix, making biomaterials more homogeneous, although with less transparency. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-01-01 2014-05-20T14:02:02Z 2014-05-20T14:02:02Z |
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 |
http://dx.doi.org/10.1002/masy.200900082 Brazilian Polymer Congress. Weinheim: Wiley-v C H Verlag Gmbh, v. 299-300, p. 20-25, 2011. 1022-1360 http://hdl.handle.net/11449/21874 10.1002/masy.200900082 WOS:000298852100003 |
url |
http://dx.doi.org/10.1002/masy.200900082 http://hdl.handle.net/11449/21874 |
identifier_str_mv |
Brazilian Polymer Congress. Weinheim: Wiley-v C H Verlag Gmbh, v. 299-300, p. 20-25, 2011. 1022-1360 10.1002/masy.200900082 WOS:000298852100003 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Brazilian Polymer Congress 0,235 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
20-25 |
dc.publisher.none.fl_str_mv |
Wiley-v C H Verlag Gmbh |
publisher.none.fl_str_mv |
Wiley-v C H Verlag Gmbh |
dc.source.none.fl_str_mv |
Web of Science 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 |
|
_version_ |
1799965247023349760 |