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Olive oil by-products as potential alternative substrates for xylooligosaccharides production

2023Documento de conferência Acesso aberto
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datacite.subject.fosCiências Agrárias::Biotecnologia Agrária e Alimentar
datacite.subject.sdg03:Saúde de Qualidade
datacite.subject.sdg02:Erradicar a Fome
dc.contributor.authorCordeiro, Ana
dc.contributor.authorFernandes, Andreia
dc.contributor.authorPeres, António M.
dc.contributor.authorRodrigues, Lígia R.
dc.contributor.authorAmorim, Cláudia
dc.date.accessioned2025-11-06T12:04:10Z
dc.date.available2025-11-06T12:04:10Z
dc.date.issued2023
dc.description.abstractOlive pomace (OP) and olive stones (OS) are industrial by-products from the olive oil production. These residues have a high percentage of cellulose, hemicellulose, and lignin, which makes them a good source of fermentable sugars and xylan, as well as a potential alternative substrate for xylooligosaccharides (XOS) production. In this work, OP and OS were chemically characterized and used for the first time as a xylan source to produce XOS through direct fermentation by Bacillus subtilis 3610 containing the xylanase gene xyn2 from Trichoderma reesei. OS presented the highest potential for XOS production. The fermentation process was further optimized for this residue in terms of residue concentration (5, 10, 20, 40 and 60 g L-1), pH (5.0, 6.0, 7.0 and 8.0), and temperature (30, 37, 45 and 50°C). The highest total sugars yield (27 ± 2 mg g-1) was achieved after 12 h, using 20 g L-1 of OS at pH 7.0 and 45°C.por
dc.description.sponsorshipCA and AC acknowledges her junior researcher contract (CEECIND/00293/2020) and her PhD scholarship (UI/BD/153689/2022), respectively, from the Portuguese Foundation of Science and Technology (FCT). This study was supported by FCT under the scope of the strategic funding of CIMO (UIDB/00690/2020 and UIDP/00690/2020), CEB (UIDB/04469/2020) and Associate Laboratory SusTEC (LA/P/0007/2020).
dc.identifier.citationCordeiro, Ana; Fernandes, Andreia; Peres, António M.; Rodrigues, Lígia R.; Amorim, Cláudia (2023). Olive oil by-products as potential alternative substrates for xylooligosaccharides production. In 14th International Chemical and Biological Engineering Conference (CHEMPOR 2023): book of abstracts. Bragança. ISBN 978-972-745-327-6
dc.identifier.isbn978-972-745-327-6
dc.identifier.urihttp://hdl.handle.net/10198/34978
dc.language.isoeng
dc.peerreviewedyes
dc.publisherInstituto Politécnico de Bragança
dc.relationMountain Research Center
dc.relationUIDP/00690/2020
dc.relationUIDB/04469/2020
dc.relationLA/P/0007/2020
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectOlive oil
dc.subjectBy-products
dc.titleOlive oil by-products as potential alternative substrates for xylooligosaccharides productionpor
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.citation.conferenceDate2023
oaire.citation.conferencePlaceBragança
oaire.citation.endPage84
oaire.citation.startPage83
oaire.citation.title14th International Chemical and Biological Engineering Conference (CHEMPOR 2023): book of abstracts
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNamePeres
person.givenNameAntónio M.
person.identifier107333
person.identifier.ciencia-idCF16-5443-F420
person.identifier.orcid0000-0001-6595-9165
person.identifier.ridI-8470-2012
person.identifier.scopus-author-id7102331969
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
relation.isAuthorOfPublication7d93be47-8dc4-4413-9304-5b978773d3bb
relation.isAuthorOfPublication.latestForDiscovery7d93be47-8dc4-4413-9304-5b978773d3bb
relation.isProjectOfPublication29718e93-4989-42bb-bcbc-4daff3870b25
relation.isProjectOfPublication.latestForDiscovery29718e93-4989-42bb-bcbc-4daff3870b25

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