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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/5395

    Título
    Supercritical CO2 and subcritical water technologies for the production of bioactive extracts from sardine (Sardina pilchardus) waste
    Autor
    Melgosa Gómez, Rodrigountranslated
    Trigueros Andrés, Esteruntranslated
    Sanz Díez, Mª Teresauntranslated
    Cardeira, Martim
    Rodrigues, Liliana
    Fernández, Naiara
    Matias, Ana A.
    Bronze, Maria Rosário
    Marques, Marta
    Paiva, Alexandre
    Simões, Pedro
    Publicado en
    The Journal of Supercritical Fluids. 2010, V. 164, 104943
    Editorial
    Elsevier
    Fecha de publicación
    2020-10
    ISSN
    0896-8446
    DOI
    10.1016/j.supflu.2020.104943
    Abstract
    The valorization of sardine (Sardina pilchardus) waste (SW) from a canning facility has been investigated within a biorefining approach. Sequential fractionation of SW into its constituents has been carried out using green solvents such as supercritical carbon dioxide (SCCO2) and subcritical water (sCW). The lipid fraction has been isolated through supercritical fluid extraction (SFE) with SCCO2 at 250 bar and 40 °C, yielding 20.3 ± 0.2 g oil/100 g SW with up to 17.2 %wt. omega-3 polyunsaturated fatty acids (PUFAs). Aiming at the protein fraction, sCW extraction/hydrolysis has been carried out at different temperatures (90, 140, 190 and 250 °C), using both SW and defatted sardine waste (DSW) from SFE experiments. Previous defatting increased protein recovery and purity. Bioactive properties of the fish protein hydrolysates (FPHs) obtained were affected by the extraction temperature. The highest antioxidant activity and in vitro antiproliferative effect were found in the extracts obtained at 250 °C.
    Palabras clave
    Sardine waste
    Subcritical water
    Fish protein hydrolysate
    Biorefinery
    Antioxidant activity
    Antiproliferative activity
    Materia
    Ingeniería química
    Chemical engineering
    Alimentos
    Food
    URI
    http://hdl.handle.net/10259/5395
    Versión del editor
    https://doi.org/10.1016/j.supflu.2020.104943
    Collections
    • Artículos BIOIND
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