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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/55967

    Título
    Differentiation of bee pollen samples according to the apiary of origin and harvesting period based on their amino acid content
    Autor
    Ares Sacristán, Ana MaríaAutoridad UVA
    Toribio Recio, LauraAutoridad UVA Orcid
    Tapia García, Jesús AlbertoAutoridad UVA Orcid
    González Porto, Amelia Virginia
    Higes Pascual, Mariano
    Martín Hernández, Raquel
    Bernal del Nozal, JoséAutoridad UVA Orcid
    Año del Documento
    2022
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Food Bioscience, 2022, vol. 50, part A, 102092
    Resumen
    Bee pollen is currently one of the most widely consumed dietary supplements due to its high nutritional value and its potentially beneficial effects on health. Unfortunately, in recent years an increase in the fraudulent marketing of this product has been detected, mainly in terms of adulteration with pollen from other sources. This has made it necessary to seek new tools to ensure its authentication. Therefore, this study investigates the use of free amino acids as markers of the geographical origin and harvesting period of bee pollen. To demonstrate their potential as biomarkers, 72 samples from four apiaries (Pistacho, Tío Natalio, Monte and Fuentelahiguera), located in the same geographical area (Marchamalo, Guadalajara, Spain), were analyzed by liquid chromatography-fluorescence detection, with the data obtained undergoing canonical discriminant analysis. Variable amounts and numbers of free amino acids were found in the samples analyzed; proline predominated in all of them, in a concentration range of 298–569989 mg/kg. The differences observed in amino acid composition could be attributed to the flowering plants from which the bee pollen samples originated. In addition, it was possible to statistically assign over 75% of the samples to the corresponding apiary of origin, the best results being obtained for the Fuentelahiguera and Tío Natalio apiaries (100%); this classification was even superior in the case of the harvesting periods, as more than 90% of the samples were correctly assigned, and in one period (June) a 100% rate was obtained.
    Palabras Clave
    Bee pollen
    Polen de abeja
    Biomarkers
    Biomarcadores
    ISSN
    2212-4292
    Revisión por pares
    SI
    DOI
    10.1016/j.fbio.2022.102092
    Patrocinador
    Ministerio de Economía, Industria y Competitividad (projects RTA 2015-00013-C03-01 and RTA 2015-00013-C03-03)
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S2212429222005521?via%3Dihub
    Propietario de los Derechos
    © 2022 The Authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/55967
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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    • CINQUIMA - Artículos de revista [162]
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    Universidad de Valladolid

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