Determination of the solubility of extracts from vegetable raw material in pressurized CO2: a pseudo-ternary mixture formed by cellulosic structure+solute+solvent

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dc.contributor.authorChiavone Filho, Osvaldo
dc.contributor.authorRodrigues, Vera Maria
dc.contributor.authorSousa, Elisa Maria Bittencourt Dutra de
dc.contributor.authorMonteiro, Alcilene Rodrigues
dc.contributor.authorMarques, Márcia Ortiz Mayo
dc.contributor.authorMeireles, Maria Angela A.
dc.date.accessioned2021-11-10T19:36:47Z
dc.date.available2021-11-10T19:36:47Z
dc.date.issued2002-01
dc.description.resumoThis paper discusses the application of the dynamic method to measure the solubility in pseudo-ternary systems formed by vegetable raw materials (cellulosic structure+solute) and CO2. For aromatic, medicinal, and spice plants, the soluble portion of the solid is formed of essential oils, oleoresins, pigments, and various substances from several other classes of organic compounds. The experimental data were measured in two independent laboratories, using three experimental set-ups, and three vegetable species: clove buds, eucalyptus, and ginger. The solubility for the system clove buds/CO2 varied from 0.220 to 0.277 kg-extract/kg-CO2 for the isotherm of 288.15 K. The ginger extract solubility varied from 2.01×10−3 to 7.20×10−3 kg-extract/kg-CO2 for pressures of 100–300 bar, and temperatures of 298.15–313.15 K. The eucalyptus solubility for the isobar of 66.7 bar varied from 3.95×10−3 to 4.07×10−3 kg-extract/kg-CO2. © 2002 Elsevier Science B.V. All rights reservedpt_BR
dc.identifier.citationSOUSA, E. M. B. D.; RODRIGUES, V. M.; MONTEIRO, A. R.; CHIAVONE FILHO, Osvaldo; MARQUES, M. M.; MEIRELES, Maria Angela. Determination of the solubility of extracts from vegetable raw material in pressurized CO2: a pseudo-ternary mixture formed by cellulosic structure+solute+solvent. The Journal of Supercritical Fluids, New York, v. 22, p. 21-36, 2002. Disponível em: https://www.sciencedirect.com/science/article/abs/pii/S0896844601001085?via%3Dihub Acesso em: 15 jun. 2021. https://doi.org/10.1016/S0896-8446(01)00108-5.pt_BR
dc.identifier.doi10.1016/S0896-8446(01)00108-5
dc.identifier.issn0896-8446
dc.identifier.urihttps://repositorio.ufrn.br/handle/123456789/44876
dc.languageenpt_BR
dc.publisherElsevierpt_BR
dc.rightsAttribution 3.0 Brazil*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/br/*
dc.subjectSolubilitypt_BR
dc.subjectSFEpt_BR
dc.subjectClove budspt_BR
dc.subjectGingerpt_BR
dc.subjectEucalyptuspt_BR
dc.titleDetermination of the solubility of extracts from vegetable raw material in pressurized CO2: a pseudo-ternary mixture formed by cellulosic structure+solute+solventpt_BR
dc.typearticlept_BR

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