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    Por favor, use este identificador para citar o enlazar este ítem:https://uvadoc.uva.es/handle/10324/69559

    Título
    Phytochemical profiling of Sambucus nigra L. flower and leaf extracts and their antimicrobial potential against almond tree pathogens
    Autor
    Sánchez Hernández, EvaAutoridad UVA Orcid
    Balduque Gil, Joaquín
    González García, Vicente
    Barriuso Vargas, Juan José
    Casanova Gascón, José
    Martín Gil, JesúsAutoridad UVA Orcid
    Martín Ramos, PabloAutoridad UVA Orcid
    Año del Documento
    2023
    Editorial
    MDPI
    Descripción
    Producción Científica
    Documento Fuente
    International Journal of Molecular Sciences, 2023, Vol. 24, Nº. 2, 1154
    Resumo
    Despite extensive research on the chemical composition of elderberries and their numerous uses in pharmaceutical, beverage, and food production, there is still a lack of knowledge about Sambucus nigra leaves and flowers’ antimicrobial activity against plant pathogens. In this study, the phytoconstituents of their aqueous ammonia extracts were first characterized by infrared spectroscopy and gas chromatography–mass spectrometry. The major phytocompounds identified in the flower extract were octyl 2-methylpropanoate; 3,5-dihydroxy-6-methyl-2,3-dihydropyran-4-one; propyl malonic acid; adenine; and 1-methyl-2-piperidinemethanol. Concerning the leaf extract, 1,6-anhydro-β-D-glucopyranose; oleic acid; 2,1,3-benzothiadiazole; 2,3-dihydro-benzofuran; and 4-((1E)-3-hydroxy-1-propenyl)-2-methoxyphenol and other phenol derivatives were the main constituents. The potential of the extracts to act as bioprotectants was then investigated against three almond tree pathogens: Diaporthe amygdali, Phytophthora megasperma, and Verticillium dahliae. In vitro tests showed higher activity of the flower extract, with EC90 values in the 241–984 μg·mL−1 range (depending on the pathogen) vs. 354–1322 μg·mL−1 for the leaf extract. In addition, the flower extract led to full protection against P. megasperma at a dose of 1875 μg·mL−1 in ex situ tests on artificially-infected excised almond stems. These inhibitory concentrations were lower than those of commercial fungicides. These findings suggest that S. nigra aerial organs may be susceptible to valorization as an alternative to synthetic fungicides for the protection of this important crop.
    Materias (normalizadas)
    Phytochemicals
    Fitoquímica
    Antimicrobial activity
    Forests and forestry
    Bosques y silvicultura
    Plant extracts
    Almond
    Almendro
    Trees - Diseases and pests
    Arboles - Enfermedades y plagas
    Pest control
    Pathogenic fungi
    Hongos patógenos
    Fungi
    Plant science
    Plant biotechnology
    Plantas - Biotecnología
    Plant science
    Materias Unesco
    3102 Ingeniería Agrícola
    3106 Ciencia Forestal
    3106.08 Silvicultura
    3108.05 Hongos
    ISSN
    1422-0067
    Revisión por pares
    SI
    DOI
    10.3390/ijms24021154
    Patrocinador
    Junta de Castilla y León y Fondo Europeo de Desarrollo Regional (FEDER) - (project VA258P18)
    Version del Editor
    https://www.mdpi.com/1422-0067/24/2/1154
    Propietario de los Derechos
    © 2023 The authors
    Idioma
    eng
    URI
    https://uvadoc.uva.es/handle/10324/69559
    Tipo de versión
    info:eu-repo/semantics/publishedVersion
    Derechos
    openAccess
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