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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/76908
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dc.contributor.authorPena-Serna, Carolina-
dc.contributor.authorLopes-Filho, José Francisco-
dc.date.accessioned2014-05-27T11:30:52Z-
dc.date.accessioned2016-10-25T18:55:06Z-
dc.date.available2014-05-27T11:30:52Z-
dc.date.available2016-10-25T18:55:06Z-
dc.date.issued2013-11-15-
dc.identifierhttp://dx.doi.org/10.1016/j.matchemphys.2013.07.056-
dc.identifier.citationMaterials Chemistry and Physics, v. 142, n. 2-3, p. 580-585, 2013.-
dc.identifier.issn0254-0584-
dc.identifier.urihttp://hdl.handle.net/11449/76908-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/76908-
dc.description.abstractThis study was performed in order to determine the effect of the addition of different concentrations of glycerol and ethanol over functional and structural properties of zein-oleic acid films. Films were prepared from zein and oleic acid formulations, containing: 0, 10, 20 and 30% (w/w) of glycerol as plasticizer and 75, 80, 85, 90 and 95% (v/v) of ethanol as zein solvent. Water vapor permeability (WVP) at 4 and 24 C, opacity, water solubility and structural behavior of the film were assessed. The film water barrier properties, WVP and water solubility, were increased when higher ethanol concentration and lower glycerol concentration were used. Furthermore, WVP at 4 C was lower than WVP at 24 C due to the crystalline solid state of oleic acid at lower temperatures. Likewise, opacity, homogeneity and structure of the composite film were improved as ethanol increased and glycerol lowered. © 2013 Elsevier B.V. All rights reserved.en
dc.format.extent580-585-
dc.language.isoeng-
dc.sourceScopus-
dc.subjectBiomaterial-
dc.subjectDiffusion-
dc.subjectElectron microscopy-
dc.subjectOptical microscopy-
dc.subjectSurface properties-
dc.subjectThin film-
dc.subjectCrystalline solids-
dc.subjectEthanol concentrations-
dc.subjectGlycerol concentration-
dc.subjectLower temperatures-
dc.subjectStructural behaviors-
dc.subjectWater barrier properties-
dc.subjectWater solubilities-
dc.subjectWater vapor permeability-
dc.subjectBiological materials-
dc.subjectBiomaterials-
dc.subjectComposite films-
dc.subjectEthanol-
dc.subjectGlycerol-
dc.subjectOleic acid-
dc.subjectOpacity-
dc.subjectSolubility-
dc.subjectStructural properties-
dc.subjectThin films-
dc.subjectOrganic solvents-
dc.titleInfluence of ethanol and glycerol concentration over functional and structural properties of zein-oleic acid filmsen
dc.typeoutro-
dc.contributor.institutionUniversity of Antioquia-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationAgrarian Sciences Faculty University of Antioquia, Medellin-
dc.description.affiliationFood Engineering and Technology Department Universidade Estadual Paulista, São José do Rio Preto-
dc.description.affiliationUnespFood Engineering and Technology Department Universidade Estadual Paulista, São José do Rio Preto-
dc.identifier.doi10.1016/j.matchemphys.2013.07.056-
dc.identifier.wosWOS:000326767500018-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofMaterials Chemistry and Physics-
dc.identifier.scopus2-s2.0-84884592899-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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