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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/65623

    Título
    Novel ethyl lactate based ATPS for the purification of rutin and quercetin
    Autor
    Velho, Pedro
    Requejo, Patricia F.
    Gómez, Elena
    Macedo, Eugénia A.
    Año del Documento
    2020
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Separation and Purification Technology, 2020, vol. 252 p. 117447
    Zusammenfassung
    The application of new aqueous two-phase systems (ATPS) composed by a hydrophilic green solvent, ethyl lactate, and two low environmental impact salts: sodium and potassium citrate have been studied for the recovery of two flavonoids from aqueous solutions. First, to understand the phase formation process of the ATPS, binodal curves and tie-lines and their respective slopes and tie-line lengths were determined at T=298.15 K and atmospheric pressure. The degree of consistency of the tie-lines was evaluated using Othmer-Tobias and Bancroft equations. Moreover, the influence of the change of the salt cation on the phase behaviour has been assessed. Furthermore, the UNIversal QUAsiChemical (UNIQUAC) thermodynamic model was applied to describe the phase equilibria presented in this work. Furthermore, the partitioning of two flavonoids, rutin and quercetin, in these ATPS {ethyl lactate (1) + citrate salts (2) + water (3)} was measured at T = 298.15 K and atmospheric pressure. Finally, the obtained results were compared with those found in literature.
    Palabras Clave
    Ethyl lactate
    Flavonoids
    Aqueous two-phase systems
    Partitioning
    Thermodynamic modelling
    ISSN
    1383-5866
    Revisión por pares
    SI
    DOI
    10.1016/j.seppur.2020.117447
    Patrocinador
    This work is a result of project “AIProcMat@N2020 - Advanced Industrial Processes and Materials for a Sustainable Northern Region of Portugal 2020: NORTE-01-0145-FEDER-000006, NORTE-2020-ERDF-LSRE-LCM-UID/EQU/50020/2019 FCT/MCTES (PIDDAC), FCT Grant CEECIND/02646/2017 and Xunta de Galicia Grant ED481B-2017/019.
    Version del Editor
    https://www.sciencedirect.com/science/article/abs/pii/S1383586620319213?via%3Dihub
    Propietario de los Derechos
    Elsevier
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/65623
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    restrictedAccess
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    • DEP60 - Artículos de revista [112]
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    Sep Purif Technol 252 (2020) 117447.pdf
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    Universidad de Valladolid

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