Temperature and concentration dependence of density of model liquid foods

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dc.contributor.authorDarros-Barbosa, R.
dc.contributor.authorBalaban, M. O.
dc.contributor.authorTeixeira, A. A.
dc.contributor.institutionUniv Florida
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:29:38Z
dc.date.available2014-05-20T15:29:38Z
dc.date.issued2003-01-01
dc.description.abstractDensity of binary solutions and combinations of sucrose, glucose, fructose, citric acid, malic acid, pectin, and inorganic salts were measured with an oscillating tube density meter in the temperature range from 10degrees to 60degreesC, at varying concentrations. Density can be predicted with accuracy better than 5 x 10(-5) g cm(-3) using predictive equations obtained by fitting the experimental data. Available literature values agreed well with experimental data. Relations for the excess molar volume of these solutions were derived in terms of mole fraction and temperature. A thermodynamic model for the volumetric analysis of multicomponent aqueous solutions containing electrolyte and non-electrolyte compounds was also proposed. These models can be used for prediction of density of liquid food systems, specially fruit juices and beverages, based on composition and temperature, with high accuracy and without elaborate experimental work.en
dc.description.affiliationUniv Florida, Food Sci & Human Nutr Dept, Gainesville, FL 32611 USA
dc.description.affiliationUniv Florida, Dept Biol & Agr Engn, Gainesville, FL 32611 USA
dc.description.affiliationUnesp Paulista State Univ, Dept Food Engn & Biotechnol, São Paulo, Brazil
dc.description.affiliationUnespUnesp Paulista State Univ, Dept Food Engn & Biotechnol, São Paulo, Brazil
dc.format.extent195-214
dc.identifierhttp://dx.doi.org/10.1081/JFP-120017815
dc.identifier.citationInternational Journal of Food Properties. New York: Marcel Dekker Inc., v. 6, n. 2, p. 195-214, 2003.
dc.identifier.doi10.1081/JFP-120017815
dc.identifier.issn1094-2912
dc.identifier.urihttp://hdl.handle.net/11449/39171
dc.identifier.wosWOS:000183945600002
dc.language.isoeng
dc.publisherMarcel Dekker Inc
dc.relation.ispartofInternational Journal of Food Properties
dc.relation.ispartofjcr1.845
dc.relation.ispartofsjr0,513
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectdensitypt
dc.subjectspecific volumept
dc.subjectoscillating tubept
dc.subjectmulticomponent aqueous solutionspt
dc.subjectpredictive modelpt
dc.subjectexcess functionspt
dc.titleTemperature and concentration dependence of density of model liquid foodsen
dc.typeArtigo
dcterms.licensehttp://journalauthors.tandf.co.uk/permissions/reusingOwnWork.asp
dcterms.rightsHolderMarcel Dekker Inc

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