Anthocyanin partition in aqueous two-phase systems based on isopropanol and sodium / ammonium sulfate

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dc.creatorAna Clara Rocha Caldeira
dc.creatorAttilio Converti
dc.creatorMoysés Naves de Moraes
dc.creatorJanaína Teles de Faria
dc.date.accessioned2023-10-16T23:43:26Z
dc.date.accessioned2025-09-08T22:52:41Z
dc.date.available2023-10-16T23:43:26Z
dc.date.issued2022
dc.identifier.issn0930-7516
dc.identifier.urihttps://hdl.handle.net/1843/59517
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofChemical Engineering & Technology
dc.rightsAcesso Aberto
dc.subjectAntocianina
dc.subjectEquilibrio liquido-liquido
dc.subjectSulfato de sodio
dc.subject.otherAlcohol-salt system
dc.subject.otherAnthocyanin partition
dc.subject.otherAlcohol-salt system
dc.subject.otherAnthocyanin partition
dc.subject.otherLiquid-liquid extraction
dc.subject.otherNaturalpigment
dc.subject.otherPhase equilibrium
dc.titleAnthocyanin partition in aqueous two-phase systems based on isopropanol and sodium / ammonium sulfate
dc.typeArtigo de periódico
local.citation.epage1613
local.citation.issue9
local.citation.spage1605
local.citation.volume45
local.description.resumoPartitioning of anthocyanins contained in the crude extract ofSyzygium cuminifruit was investigated in aqueous two-phase systems (ATPS) made up of isopropa-nol and Na2SO4/(NH4)2SO4.Na2SO4induced ATPS formation more effectivelythan (NH4)2SO4. The increase in temperature enhanced phase separation in the(NH4)2SO4ATPS, while the opposite occurred in the Na2SO4ATPS. The higherthe overall mixture concentration or temperature, the higher the values of tie-linelength and slope. In all systems and conditions, anthocyanins preferentially parti-tioned to the top phase. The partition coefficient and theoretical recovery yield inthe top phase varied in the ranges 1.14–1.77 and 53.31–63.87 % in the (NH4)2SO4ATPS, and in the ranges 1.94–21.50 and 65.90–95.55 % in the Na2SO4ATPS.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://doi.org/10.1002/ceat.202100524

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