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<dc:title>Green fractionation and hydrolysis of fish meal to improve their techno-functional properties</dc:title>
<dc:creator>Barea Gómez, Pedro</dc:creator>
<dc:creator>Melgosa Gómez, Rodrigo</dc:creator>
<dc:creator>Benito Román, Oscar</dc:creator>
<dc:creator>Illera Gigante, Alba Ester</dc:creator>
<dc:creator>Beltrán Calvo, Sagrario</dc:creator>
<dc:creator>Sanz Díez, Mª Teresa</dc:creator>
<dc:subject>Fish meal protein</dc:subject>
<dc:subject>Water fractionation</dc:subject>
<dc:subject>Hydrolysis</dc:subject>
<dc:subject>Subcritical water</dc:subject>
<dc:subject>Emulsification</dc:subject>
<dc:description>A green strategy employing water as solvent has been adopted to obtain protein hydrolysates from fish meal (FM), its water-soluble fraction (WSP), and its non-water-soluble fraction (NSP). The techno-functional properties of the hydrolysates have been investigated and compared to hydrolysates obtained with Alcalase®. In general, SWH hydrolysates presented higher content of free amino acids and higher degree of hydrolysis, which reflected on the molecular size distribution. However, Alcalase® hydrolysates presented better solubility (from 74 ± 4% for NSP at pH = 2 up to 99 ± 1% for WSP at pH = 4–7). According to fluorescence experiments, FM and NSP hydrolysates showed the highest surface hydrophobicity, which has been related to better emulsifying properties and higher emulsion stability. The emulsions stabilized with 2%wt. of SWH-treated NSP showed the smallest particle sizes, with D[4,3] = 155 nm at day 0, and good stability, with D[4,3] = 220 nm at day 7, proving that water fractionation followed by SWH treatment is a good method to improve the techno-functional properties of the hydrolysates.</dc:description>
<dc:date>2024-10-02T09:25:34Z</dc:date>
<dc:date>2024-10-02T09:25:34Z</dc:date>
<dc:date>2024-09</dc:date>
<dc:type>info:eu-repo/semantics/article</dc:type>
<dc:identifier>0308-8146</dc:identifier>
<dc:identifier>http://hdl.handle.net/10259/9583</dc:identifier>
<dc:identifier>10.1016/j.foodchem.2024.139550</dc:identifier>
<dc:language>eng</dc:language>
<dc:relation>Food Chemistry. 2024, V. 452, 139550</dc:relation>
<dc:relation>https://doi.org/10.1016/j.foodchem.2024.139550</dc:relation>
<dc:relation>info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2019-104950RB-I00/ES/VALORIZACION DE SUBPRODUCTOS MARINOS MEDIANTE TECNOLOGIAS DE FLUIDOS SUB- Y SUPERCRITICOS PARA LA OBTENCION DE BIOCOMPUESTOS VALIOSOS/</dc:relation>
<dc:relation>info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-116716RJ-I00/ES/TECNOLOGIAS DE FLUIDOS PRESURIZADOS PARA LA VALORIZACION DE SUBPRODUCTOS DE LA INDUSTRIA AGROALIMENTARIA: RECUPERACION DE PECTINA Y OTROS COMPUESTOS BIOACTIVOS DE ALTO VALOR/</dc:relation>
<dc:relation>info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica, Técnica y de Innovación 2021-2023/TED2021-129311B-I00/ES/Tecnologías verdes basadas en el empleo de fluidos presurizados para valorizar biomasa lignocelulósica mediante la producción de furfural/</dc:relation>
<dc:relation>info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica, Técnica y de Innovación 2021-2023/PDC2022-133443-I00/ES/Diseño de un prototipo para la extracción de bioproductos con agua subcrítica/</dc:relation>
<dc:relation>info:eu-repo/grantAgreement/Junta de Castilla y León//BU050P20//Valorización de la fracción proteica de subproductos de la industria agroalimentaria de Castilla y León mediante tecnologías de fluidos presurizados/</dc:relation>
<dc:relation>info:eu-repo/grantAgreement/MIU/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/BG20%2F00182/ES/</dc:relation>
<dc:rights>http://creativecommons.org/licenses/by-nc/4.0/</dc:rights>
<dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
<dc:rights>Atribución-NoComercial 4.0 Internacional</dc:rights>
<dc:publisher>Elsevier</dc:publisher>
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