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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/56793

    Título
    Chiral and achiral separation of ten flavanones using supercritical fluid chromatography. Application to bee pollen analysis
    Autor
    Ares Sacristán, Ana MaríaAutoridad UVA
    Bernal del Nozal, JoséAutoridad UVA Orcid
    Janvier, Andrea
    Toribio Recio, LauraAutoridad UVA Orcid
    Año del Documento
    2022
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Journal of Chromatography A, 2022, vol. 1685, 463633
    Abstract
    The separation of ten flavanones (flavanone, 2′-hydroxyflavanone, 4’-hydroxyflavanone, 6-hydroxyflavanone, 7-hydroxyflavanone, naringenin, naringin, hesperetin, pinostrobin, and taxifolin) using supercritical fluid chromatography and considering achiral and chiral approaches has been studied in this work. For this purpose, different chiral stationary phases and organic modifiers have been checked. Considering the achiral separation, the best results were obtained with the Lichrospher 100 Diol column at 35°C, 3mL/min, 150 bar and a gradient of 2-propanol from 5% to 50%. The baseline separation of the ten compounds was achieved in 18 minutes. Using the chiral column Chiralpak AD, the separation of the ten pairs of enantiomers was obtained in 32 minutes. In this case, the chromatographic conditions were 30°C, 3mL/min, 150 bar and the organic modifier was a mixture ethanol/methanol (80:20) containing 0.1% of trifluoroacetic acid applied in an elution gradient from 15% to 50%. The applicability of the proposed chiral method was assessed by analysing bee pollen samples and 2S-pinostrobin was determined in some of them.
    Palabras Clave
    Flavanones
    Flavanonas
    Bee pollen
    Polen de abeja
    ISSN
    0021-9673
    Revisión por pares
    SI
    DOI
    10.1016/j.chroma.2022.463633
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S002196732200824X?via%3Dihub
    Propietario de los Derechos
    © 2022 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/56793
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
    Collections
    • CINQUIMA - Artículos de revista [112]
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    Attribution-NonCommercial-NoDerivatives 4.0 InternacionalExcept where otherwise noted, this item's license is described as Attribution-NonCommercial-NoDerivatives 4.0 Internacional

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