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    Por favor, use este identificador para citar o enlazar este ítem:http://uvadoc.uva.es/handle/10324/46070

    Título
    Formulation of açaí (E. oleracea Mart.) Pulp and seeds extracts by co-precipitation in Supercritical Antisolvent (SAS) technology
    Autor
    Buratto, Rafaella Theodoro
    Chinchilla Dueñas, Maira IvetteAutoridad UVA Orcid
    Cocero Alonso, María JoséAutoridad UVA Orcid
    Martín, Ángel
    Año del Documento
    2021
    Editorial
    Elsevier
    Descripción
    Producción Científica
    Documento Fuente
    Journal of Supercritical Fluids, 2021, vol.169, p. 105090
    Resumen
    Açaí (Euterpe oleracea Mart.) is a black-purple berry, typically found in Amazon Rainforest, and a natural phytochemical source, which shows a high content of polyphenols and flavonoids, with remarkable properties as an antioxidant, anti-inflammatory, antimicrobial, and natural dye. The precipitation and encapsulation of Açaí extracts with biopolymers by Supercritical Anti-Solvent (SAS) process were investigated and proposed as primary formulation to protect the active compounds from early degradation and its application in pharmaceutical, cosmetic, and alimentary products. The extractives were obtained from pulp and seeds by Pressurized Microwave assisted Energy (PMAE)(300 W,1.5 bar) using acidified ethanol/water (1:1v/v) as a solvent. The extracts were characterized in terms of total polyphenols content (TPC). The SAS process was carried out by semi-continuous batch at constant conditions (40 °C,100 bar). Particle morphology was studied by SEM, TGA and FTIR. The best results were obtained when ethanol and PVP were applied, obtaining a particle size reduction and an increment of TPC.
    Materias Unesco
    23 Química
    Palabras Clave
    Euterpe oleracea Mart
    Actividad antioxidante
    ISSN
    0896-8446
    Revisión por pares
    SI
    DOI
    10.1016/j.supflu.2020.105090
    Patrocinador
    Ministerio de Ciencia, innovación y Universidades (CTQ2016-79777-R)
    Conselho Nacional de Desenvolvimento Científico e Tecnológico – CNPq, Brazil (200737/2015-5). Doctoral scholarship
    Version del Editor
    https://www.sciencedirect.com/science/article/pii/S0896844620303417
    Propietario de los Derechos
    © 2021 Elsevier
    Idioma
    eng
    URI
    http://uvadoc.uva.es/handle/10324/46070
    Tipo de versión
    info:eu-repo/semantics/acceptedVersion
    Derechos
    openAccess
    Aparece en las colecciones
    • BioEcoUVa - Artículos de revista [195]
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    Universidad de Valladolid

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