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Production of Oligosaccharides from Pine Nut Shells by Autohydrolysis

2023-03Journal article Open access
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dc.contributor.authorTorrado, Ivone
dc.contributor.authorDionísio, Ana
dc.contributor.authorFernandes, M. C.
dc.contributor.authorRoseiro, Luisa B.
dc.contributor.authorCarvalheiro, Florbela
dc.contributor.authorPereira, Helena
dc.contributor.authorDuarte, Luís C.
dc.date.accessioned2023-06-28T14:56:30Z
dc.date.available2023-06-28T14:56:30Z
dc.date.issued2023-03
dc.description.abstractABSTRACT: Pinus pinea nuts are commercial relevant Mediterranean edible forest nuts, with an increasing production and market value, whose industrial processing yields a lignocellulosic by-product, the pine nut shells, currently only used for combustion. Little research has been done on pine nut shells that could support a value-added application for this residue. This work studies for the first time the production of oligosaccharides by autohydrosis, and aims at an integrated upgrade within the biorefinery framework. Autohydrolysis was explored in the temperature range between 150 and 230 degrees C (corresponding to severity factors 2.13-4.63). Oligosaccharides, mainly xylo-oligosaccharides (95% of the total), were the key soluble products, reaching 28.7 g/100 g of xylan of the feedstock at the optimal conditions (log R-0 4.01). Other products were monosaccharides and phenolic compounds that reached 7.8 and 4.7 g/L, respectively, under the most severe conditions. The stability of the oligosaccharides at different temperatures (room, 37 degrees C and 100 degrees C) and pH (between 1 and 11) grant them significant market potential in the food and pharma sectors. The pre-treated pine nut shells by autohydrolysis presented an improved, although low, enzymatic digestibility (14%), and an improved high-heating value, therefore advising their further valorization by thermochemical pathways.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationTorrado, Ivone... [et.al.] - Production of Oligosaccharides from Pine Nut Shells by Autohydrolysis. In: BioEnergy Research, 2023, vol. 16, p. 2253–2261pt_PT
dc.identifier.doi10.1007/s12155-023-10585-8pt_PT
dc.identifier.eissn1939-1242
dc.identifier.issn1939-1234
dc.identifier.urihttp://hdl.handle.net/10400.9/4065
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationUID/AGR/00239/2020pt_PT
dc.relationNovel processes and products from biomass mixtures within the biorefinery
dc.relationMediterranean Institute for Agriculture, Environment and Development
dc.relationBiomass and Bioenergy Research Infrastructure
dc.relation.publisherversionhttps://doi.org/10.1007/s12155-023-10585-8pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectBiorefinerypt_PT
dc.subjectHemicellulosept_PT
dc.subjectOligosaccharidespt_PT
dc.subjectPre-treatmentpt_PT
dc.subjectXylo-oligosaccharidept_PT
dc.titleProduction of Oligosaccharides from Pine Nut Shells by Autohydrolysispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleNovel processes and products from biomass mixtures within the biorefinery
oaire.awardTitleMediterranean Institute for Agriculture, Environment and Development
oaire.awardTitleBiomass and Bioenergy Research Infrastructure
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//PD%2FBD%2F114175%2F2016/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05183%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/9444 - RNIIIE/PINFRA%2F22059%2F2016/PT
oaire.citation.titleBioEnergy Researchpt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream9444 - RNIIIE
person.familyNameTorrado
person.familyNameFernandes
person.familyNamede Bivar Weinholtz Roseiro
person.familyNameCarvalheiro
person.familyNamePereira
person.familyNameDuarte
person.givenNameIvone
person.givenNameMaria da Conceição
person.givenNameMaria Luisa
person.givenNameFlorbela
person.givenNameHelena
person.givenNameLuís
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person.identifier.ciencia-id4016-9476-B97D
person.identifier.ciencia-id7F15-9BC9-79AA
person.identifier.orcid0000-0002-9106-6923
person.identifier.orcid0000-0003-1977-8771
person.identifier.orcid0000-0003-1562-6658
person.identifier.orcid0000-0002-0270-4832
person.identifier.orcid0000-0002-5393-4443
person.identifier.orcid0000-0001-5820-3669
person.identifier.ridL-1101-2014
person.identifier.ridL-1860-2014
person.identifier.ridC-1430-2008
person.identifier.scopus-author-id8045276200
person.identifier.scopus-author-id6602749883
person.identifier.scopus-author-id6603247136
person.identifier.scopus-author-id7103251554
person.identifier.scopus-author-id56649966600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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