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Synthesis, optimization and structural characterization of a chitosan-glucose derivative obtained by the Maillard reaction

2016Journal article Restricted access
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dc.contributor.authorGullón, Beatriz
dc.contributor.authorMontenegro, María I.
dc.contributor.authorRuiz-Matute, Ana I.
dc.contributor.authorCardelle-Cobas, Alejandra
dc.contributor.authorCorzo, Nieves
dc.contributor.authorPintado, Manuela E.
dc.date.accessioned2017-10-13T17:34:52Z
dc.date.available2017-10-13T17:34:52Z
dc.date.issued2016
dc.description.abstractChitosan (Chit) was submitted to the Maillard reaction (MR) by co-heating a solution with glucose (Glc). Different reaction conditions as temperature (40, 60 and 80 °C), Glc concentration (0.5%, 1%, and 2%, w/v), and reaction time (72, 52 and 24h) were evaluated. Assessment of the reaction extent was monitored by measuring changes in UV absorbance, browning and fluorescence. Under the best conditions, 2% (w/v) of Chit, 2% (w/v) of Glc at 60°C and 32 h of reaction time, a chitosan-glucose (Chit-Glc) derivative was purified and submitted to structural characterization to confirm its formation. Analysis of its molecular weight (MW) and the degree of substitution (DS) was carried out by HPLC-Size Exclusion Chromatography (SEC) and a colloid titration method, respectively. FT-IR and (1)H NMR were also used to analyze the functional groups and evaluate the introduction of Glc into the Chit molecule. According to our objectives, the results obtained in this work allowed to better understand the key parameters influencing the MR with Chit as well as to confirm the successful introduction of Glc into the Chit molecule obtaining a Chit-Glc derivative with a DS of 64.76 ± 4.40% and a MW of 210.37 kDa.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGULLON, Beatriz; MONTENEGRO, María I.; RUIZ-MATUTE, Ana I.; CARDELLE-COBAS, Alejandra; CORZO, Nieves; PINTADO, M. E. - Synthesis, optimization and structural characterization of a chitosan-glucose derivative obtained by the maillard reaction. Carbohydrate Polymers. ISSN 0144-8617. Vol. 137 (2016), p. 382-389pt_PT
dc.identifier.doi10.1016/j.carbpol.2015.10.075pt_PT
dc.identifier.eid84947250791
dc.identifier.issn0144-8617
dc.identifier.pmid26686142
dc.identifier.urihttp://hdl.handle.net/10400.14/23081
dc.identifier.wos000366938200044
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevier
dc.relationNEW PREBIOTIC INGREDIENTES BASED ON CHITOSAN
dc.subjectChitosan modificationpt_PT
dc.subjectMaillard reactionpt_PT
dc.subjectGlucosept_PT
dc.subjectStructural characterizationpt_PT
dc.titleSynthesis, optimization and structural characterization of a chitosan-glucose derivative obtained by the Maillard reactionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleNEW PREBIOTIC INGREDIENTES BASED ON CHITOSAN
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F90069%2F2012/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBPD%2F79942%2F2011/PT
oaire.citation.endPage389
oaire.citation.startPage382
oaire.citation.titleCarbohydrate Polymerspt_PT
oaire.citation.volume137
oaire.fundingStreamSFRH
person.familyNameCardelle Cobas
person.familyNamePintado
person.givenNameAlejandra
person.givenNameMaria Manuela
person.identifier456608
person.identifier.ciencia-id2F13-AAE0-3405
person.identifier.orcid0000-0002-1271-513X
person.identifier.orcid0000-0002-0760-3184
person.identifier.ridK-7183-2017
person.identifier.ridF-5696-2013
person.identifier.scopus-author-id9736687700
person.identifier.scopus-author-id7004483898
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
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication48ad3ed1-3a70-42fa-b935-e8ef001f6cce
relation.isAuthorOfPublicationba387c7d-27c9-4016-895c-b35597e91ebc
relation.isAuthorOfPublication.latestForDiscovery48ad3ed1-3a70-42fa-b935-e8ef001f6cce
relation.isProjectOfPublication49b3f401-449b-47ee-b6b6-81b900abd740
relation.isProjectOfPublication74ba3e7a-02fa-4d34-a197-94e46bdd0871
relation.isProjectOfPublication.latestForDiscovery49b3f401-449b-47ee-b6b6-81b900abd740

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