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Use este identificador para citar ou linkar para este item: https://ri.ufs.br/jspui/handle/riufs/20938
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Campo DCValorIdioma
dc.contributor.authorSilva, Gabriel Francisco da-
dc.contributor.authorGamarra, Felix Martin Carbajal-
dc.contributor.authorOliveira, Alessandra Lopes de-
dc.contributor.authorCabral, Fernando Antonio-
dc.date.accessioned2025-01-29T21:56:44Z-
dc.date.available2025-01-29T21:56:44Z-
dc.date.issued2008-06-
dc.identifier.citationSILVA, G. F. et al. Extraction of bixin from annatto seeds using supercritical carbon dioxide. Brazilian Journal of Chemical Engineering, São Paulo, v. 25, n. 2, p. 419-426, abr./jun. 2008. Disponível em: https://www.scielo.br/j/bjce/a/dTJrHNZWcnJRNDpcNShcwGB/?format=pdf. Acesso em: 29 jan. 2025.pt_BR
dc.identifier.issn0104-6632-
dc.identifier.issn1678-4383-
dc.identifier.urihttps://ri.ufs.br/jspui/handle/riufs/20938-
dc.languageengpt_BR
dc.publisherBrazilian Society of Chemical Engineeringpt_BR
dc.relation.ispartofBrazilian Journal of Chemical Engineeringpt_BR
dc.subjectSupercritical carbon dioxideeng
dc.subjectAnnattoeng
dc.subjectBixa orellana L.eng
dc.subjectBixineng
dc.subjectSolubilityeng
dc.titleExtraction of bixin from annatto seeds using supercritical carbon dioxidept_BR
dc.typeArtigopt_BR
dc.identifier.licenseCreative Commons Atribuição-NãoComercial 4.0 Internacional (CC BY-NC 4.0)pt_BR
dc.description.resumoThe solubility of 93% pure bixin in supercritical carbon dioxide (SC-CO2) and of the bixin present in annatto seeds (Bixa orellana L.) was measured. For the seeds, the measurements were made in a temperature range from 30 to 50o C and pressure between 10 and 35 MPa and for the pure bixin, at 40o C from 10 to 35 MPa. The main pigments of annatto seeds are bixin and norbixin, but the extracts only showed the presence of cis and trans-bixin, indicating that norbixin is not soluble in SC-CO2. The annatto seeds used in the experiments contained about 2.7% bixin and 3.1% oil. In the seeds, the crossover point of solubility was at about 28 MPa and values for solubility were about ten times higher than those of the pure bixin, giving evidence that the oil acted as a co-solvent with the CO2.pt_BR
dc.description.localSão Paulo, SPpt_BR
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