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Sea bass side streams extracts obtained by pulsed electric fields: nutritional characterization and effect on SH-SY5Y cells

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Sea bass side streams extracts obtained by pulsed electric fields: nutritional characterization and effect on SH-SY5Y cells

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dc.contributor.author Martí Quijal, Francisco Juan
dc.contributor.author Castagnini, Juan Manuel
dc.contributor.author Ruiz Leal, María José
dc.contributor.author Barba Orellana, Francisco José
dc.date.accessioned 2023-09-06T10:41:12Z
dc.date.available 2023-09-06T10:41:12Z
dc.date.issued 2023
dc.identifier.citation Martí Quijal, Francisco Juan Castagnini, Juan Manuel Ruiz Leal, María José Barba Orellana, Francisco José 2023 Sea bass side streams extracts obtained by pulsed electric fields: nutritional characterization and effect on SH-SY5Y cells Foods 12 2717
dc.identifier.uri https://hdl.handle.net/10550/89120
dc.description.abstract Fish side streams are an environmental and economic problem. In this work, pulsed electric fields (PEF) extraction was optimized and used as a new method for their valorization. Sea bass head, skin, viscera, and backbone were used. PEF technology (123-300 kJ/kg, 1-3 kV/cm) improved the extraction of proteins and antioxidant compounds from head and skin, but was not successful for viscera. SDS-PAGE showed that the protein molecular weight distribution was affected by the extraction process, revealing differences between the control and PEF extraction conditions. In addition, the extraction of macro-minerals and micro-minerals were also evaluated. The effect of PEF differed according to the matrix and the mineral studied. Heavy metals were also taken into account, studying the presence of As, Cd, Hg, and Pb in the extracts. PEF pre-treatment reduced the presence of As in skin, viscera, and backbone, ranging from 18.25 to 28.48% according to the matrix evaluated. The analysis of potential antioxidant bioactive peptides showed that the treatment of the sample directly influenced their variety. Additionally, the extracts obtained from the head were found to increase cell viability when tested on SH-SY5Y cells. In conclusion, PEF extraction can be a useful tool for the valorization of fish side streams.
dc.language.iso eng
dc.relation.ispartof Foods, 2023, vol. 12, num. 2717
dc.subject Tecnologia dels aliments
dc.title Sea bass side streams extracts obtained by pulsed electric fields: nutritional characterization and effect on SH-SY5Y cells
dc.type journal article
dc.date.updated 2023-09-06T10:41:13Z
dc.identifier.doi 10.3390/foods12142717
dc.identifier.idgrec 160842
dc.rights.accessRights open access

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