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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/5576

    Título
    Supercritical CO2 processing of omega-3 polyunsaturated fatty acids – Towards a biorefinery for fish waste valorization
    Autor
    Melgosa Gómez, RodrigoUBU authority Orcid
    Sanz Díez, Mª TeresaUBU authority Orcid
    Beltrán Calvo, SagrarioUBU authority Orcid
    Publicado en
    The Journal of Supercritical Fluids. 2020, V. 169, 105121
    Editorial
    Elsevier
    Fecha de publicación
    2021-02
    ISSN
    0896-8446
    DOI
    10.1016/j.supflu.2020.105121
    Abstract
    Driven by growing prevalence of chronic diseases and consumer’s health awareness, food supplements and nutraceuticals based on omega-3 polyunsaturated fatty acids (PUFAs) are extensively marketed nowadays. However, commercial omega-3 concentrates still present quality issues related to their purity, bioavailability, and easily-oxidizable nature, compelling the industry to seek for more efficient extraction, concentration and formulation methods. Technologies based on the use of supercritical CO2 (scCO2) are a promising alternative, replacing conventional organic solvents and providing milder conditions and an inert atmosphere, which reduce the risk of oxidation. The present review analyzes the latest advances on the use of scCO2 for processing omega-3 PUFAs, focusing on its application in biorefinery strategies for the valorization of fish by-products. Still, further research on process fundamentals is necessary in order to increase the omega-3 yield and purity while reducing the use of energy and auxiliary materials, especially in the transesterification and concentration steps.
    Palabras clave
    Fish oil
    Omega-3 polyunsaturated fatty acids
    Biorefinery
    Supercritical carbon dioxide
    Enzyme
    Materia
    Ingeniería química
    Chemical engineering
    Alimentos
    Food
    URI
    http://hdl.handle.net/10259/5576
    Versión del editor
    https://doi.org/10.1016/j.supflu.2020.105121
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