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Integrated solid-state enzymatic hydrolysis and solid-state fermentation for producing sustainable polyhydroxyalkanoates from low-cost agro-industrial residues

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dc.contributor Universitat de Vic - Universitat Central de Catalunya. CT BETA
dc.contributor.author Martínez-Avila, Oscar
dc.contributor.author Llimós Turet, Jordi
dc.contributor.author Ponsá Salas, Sergio
dc.date.accessioned 2021-03-22T08:34:33Z
dc.date.available 2021-03-22T08:34:33Z
dc.date.created 2021
dc.date.issued 2021
dc.identifier.citation Martínez-Avila, O., Llimós, J., Ponsá S. (2021). Integrated solid-state enzymatic hydrolysis and solid-state fermentation for producing sustainable polyhydroxyalkanoates from low-cost agro-industrial residues . Food and Bioproducts Processing: Transactions of the Institution of of Chemical Engineers, Part C, 126( ), 334-344 https://doi.org/ 10.1016/j.fbp.2021.01.015. es
dc.identifier.issn 0960-3085
dc.identifier.uri http://hdl.handle.net/10854/6606
dc.description.abstract Polyhydroxyalkanoates (PHA) are biodegradable bioplastics of interest as potential substitutes of petroleum-derived plastics that can be produced starting from lignocellulosic-derived residues. This study presents the combined solid-state enzymatic hydrolysis (SSEH) and solid-state fermentation (SSF) as a sustainable approach for obtaining PHA using the leftovers brewer's spent grain (BSG), grape pomace (GP) and olive-mill solid waste (OSW) as substrates. SSEH performance was influenced by the intrinsic characteristics of each residue, the temperature, and the type of enzymatic extract used. Thus, the maximum sugars release (0.16 g g-1 of dry residue (gTS)) was obtained with GP. Furthermore, coupling SSEH and SSF promoted PHA yield increases of up to 54%, 41% and 31% for BSG, GP and OSW respectively, compared to SSF alone. The maximum PHA yield was achieved using hydrolyzed BSG with 12.5 mg g-1TS (0.33 g kg-1 h-1). Results show the potential of this approach as an attractive alternative to obtain bioproducts such as PHA sustainably in residue-based systems. es
dc.format application/pdf es
dc.format.extent 43 p. es
dc.language.iso eng es
dc.publisher Elsevier es
dc.rights Aquest document està subjecte a aquesta llicència Creative Commons es
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.ca es
dc.subject.other PHA es
dc.subject.other Plàstics biodegradables es
dc.subject.other Lignocel·lulosa es
dc.subject.other Tecnologia de l'estat solid es
dc.subject.other Residus es
dc.title Integrated solid-state enzymatic hydrolysis and solid-state fermentation for producing sustainable polyhydroxyalkanoates from low-cost agro-industrial residues es
dc.type info:eu-repo/semantics/article es
dc.embargo.terms 12 mesos es
dc.identifier.doi https://doi.org/10.1016/j.fbp.2021.01.015
dc.rights.accesRights info:eu-repo/semantics/embargoedAccess es
dc.type.version info:eu-repo/acceptedVersion es
dc.indexacio Indexat a WOS/JCR es
dc.indexacio Indexat a SCOPUS es

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