Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice straw

Detalhes bibliográficos
Autor(a) principal: Moniz, Patrícia
Data de Publicação: 2014
Outros Autores: Pereira, Helena, Duarte, Luís C., Carvalheiro, Florbela
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10400.5/13592
Resumo: Hydrothermal treatment(autohydrolysis)isanadvantageousalternativetofractionatebiomassthat was notyetexploredforricestraw.Inthiswork,theprocesswasoptimisedandprovedtobehighly selective towardshemicellulose.Hydrolysatescontainingamixtureofoligomericcompounds(mainly xylo-oligosaccharides, XOS),couldbeobtainedunderrelativelymildoperationconditions(210 ◦C, log R0 = 3.59),yieldingamaximumof40.1g/100gofinitialxylan.TheproducedXOSwereseparated by molecularmassusinggelfiltrationchromatography(GFC).DifferentfractionsofpurifiedXOSwere obtained rangingfromsmallpolysaccharidesandhighDPoligosaccharides(DP ≥23), tomediumand low DPoligosaccharides(DP ≥3), andseparatedfractionsofby-products(aceticacid,furanderivatives and phenols)aswellasdi-,andmonosaccharides.GFCwasanefficientpurificationmethodenablingthe recovery ofinterestingcategoriesofXOSthatcanhavepotentialapplicationstothepharma,foodand feed industries
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spelling Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice strawagricultural residuesautohydrolysisgel filtration chromatographyhemicellulosexylanHydrothermal treatment(autohydrolysis)isanadvantageousalternativetofractionatebiomassthat was notyetexploredforricestraw.Inthiswork,theprocesswasoptimisedandprovedtobehighly selective towardshemicellulose.Hydrolysatescontainingamixtureofoligomericcompounds(mainly xylo-oligosaccharides, XOS),couldbeobtainedunderrelativelymildoperationconditions(210 ◦C, log R0 = 3.59),yieldingamaximumof40.1g/100gofinitialxylan.TheproducedXOSwereseparated by molecularmassusinggelfiltrationchromatography(GFC).DifferentfractionsofpurifiedXOSwere obtained rangingfromsmallpolysaccharidesandhighDPoligosaccharides(DP ≥23), tomediumand low DPoligosaccharides(DP ≥3), andseparatedfractionsofby-products(aceticacid,furanderivatives and phenols)aswellasdi-,andmonosaccharides.GFCwasanefficientpurificationmethodenablingthe recovery ofinterestingcategoriesofXOSthatcanhavepotentialapplicationstothepharma,foodand feed industriesElsevierRepositório da Universidade de LisboaMoniz, PatríciaPereira, HelenaDuarte, Luís C.Carvalheiro, Florbela2017-05-05T13:43:20Z20142014-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10400.5/13592eng"Industrial Crops and Products". ISSN 0926-6690. 62 (2014). p. 460-465http://dx.doi.org/10.1016/j.indcrop.2014.09.020info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-03-06T14:43:41Zoai:www.repository.utl.pt:10400.5/13592Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T16:59:33.684698Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice straw
title Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice straw
spellingShingle Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice straw
Moniz, Patrícia
agricultural residues
autohydrolysis
gel filtration chromatography
hemicellulose
xylan
title_short Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice straw
title_full Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice straw
title_fullStr Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice straw
title_full_unstemmed Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice straw
title_sort Hydrothermal production and gel filtration purification of xylo-oligosaccharides from rice straw
author Moniz, Patrícia
author_facet Moniz, Patrícia
Pereira, Helena
Duarte, Luís C.
Carvalheiro, Florbela
author_role author
author2 Pereira, Helena
Duarte, Luís C.
Carvalheiro, Florbela
author2_role author
author
author
dc.contributor.none.fl_str_mv Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Moniz, Patrícia
Pereira, Helena
Duarte, Luís C.
Carvalheiro, Florbela
dc.subject.por.fl_str_mv agricultural residues
autohydrolysis
gel filtration chromatography
hemicellulose
xylan
topic agricultural residues
autohydrolysis
gel filtration chromatography
hemicellulose
xylan
description Hydrothermal treatment(autohydrolysis)isanadvantageousalternativetofractionatebiomassthat was notyetexploredforricestraw.Inthiswork,theprocesswasoptimisedandprovedtobehighly selective towardshemicellulose.Hydrolysatescontainingamixtureofoligomericcompounds(mainly xylo-oligosaccharides, XOS),couldbeobtainedunderrelativelymildoperationconditions(210 ◦C, log R0 = 3.59),yieldingamaximumof40.1g/100gofinitialxylan.TheproducedXOSwereseparated by molecularmassusinggelfiltrationchromatography(GFC).DifferentfractionsofpurifiedXOSwere obtained rangingfromsmallpolysaccharidesandhighDPoligosaccharides(DP ≥23), tomediumand low DPoligosaccharides(DP ≥3), andseparatedfractionsofby-products(aceticacid,furanderivatives and phenols)aswellasdi-,andmonosaccharides.GFCwasanefficientpurificationmethodenablingthe recovery ofinterestingcategoriesofXOSthatcanhavepotentialapplicationstothepharma,foodand feed industries
publishDate 2014
dc.date.none.fl_str_mv 2014
2014-01-01T00:00:00Z
2017-05-05T13:43:20Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10400.5/13592
url http://hdl.handle.net/10400.5/13592
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv "Industrial Crops and Products". ISSN 0926-6690. 62 (2014). p. 460-465
http://dx.doi.org/10.1016/j.indcrop.2014.09.020
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
institution RCAAP
reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
repository.mail.fl_str_mv
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