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hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
hal.structure.identifierWroclaw Univ Environm & Life Sci
dc.contributor.authorZIMOCH-KORZYCKA, Anna
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
dc.contributor.authorGARDRAT, Christian
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
dc.contributor.authorAL KHARBOUTLY, Mayssa
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
dc.contributor.authorCASTELLAN, Alain
hal.structure.identifierInstitut des Sciences Moléculaires [ISM]
dc.contributor.authorPIANET, Isabelle
hal.structure.identifierWroclaw Univ Environm & Life Sci
dc.contributor.authorJARMOLUK, Andrzej
hal.structure.identifierLaboratoire de Chimie des Polymères Organiques [LCPO]
hal.structure.identifierTeam 2 LCPO : Biopolymers & Bio-sourced Polymers
dc.contributor.authorCOMA, Veronique
dc.date.accessioned2020
dc.date.available2020
dc.date.issued2016
dc.identifier.issn0268-005X
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/20162
dc.description.abstractEnThree commercial fungal chitosan-glucan complexes with different low molecular weights (CS1, CS2, CS3) were studied for antioxidant power determined by the ferric ion reducing antioxidant power (FRAP) method and antimicrobial potential evaluated against Listeria monocytogenes. The impact of the acid type (lactic and acetic) and concentration as well as the pH of film forming chitosan-glucan solutions were investigated. The quantitative evaluation of chitosan-glucan complexes was proposed using the degrees of deacetylation calculated from (i) elemental analysis of carbon and nitrogen and (ii) infra-red absorbance of the ratio amide I/hydroxyl bands. The amount of glucans in CS1, CS2 and CS3 is 6%, 10% and 5%, respectively. Whatever the pH, the reducing capacity of chitosans was higher using lactic acid than acetic acid. It depended on the molecular weight, the degree of deacetylation and the glucan percentage. As the pH increased, the antioxidant activity improved when higher amounts of glucans were present, for similar values of molecular weights and degrees of deacetylation. The chitosan anti-listerial activity was higher with chitosan lactate than with chitosan acetate. As the pH increased, the inhibition slightly felt. Usage of lactic acid in pH = 5 caused fully reduction with variants CS1 and CS3 in concentration of 0.5%. The inhibition was higher when pH decreased for chitosan containing the highest concentration of glucans. Complete reduction was observed in pH = 3 for all samples, except CS2 dissolved in acetic acid in amount of 0.5%. The chitosan with the highest glucan amount displayed the highest antioxidant properties and the lowest anti-listerial activity. (C) 2016 Elsevier Ltd. All rights reserved.
dc.language.isoen
dc.publisherElsevier
dc.subject.enChitosan
dc.subject.enGlucans
dc.subject.enAntioxidant
dc.subject.enAntilisterial activity
dc.subject.enANTIMICROBIAL ACTIVITY
dc.subject.enANTIBACTERIAL ACTIVITY
dc.subject.enSCAVENGING ACTIVITY
dc.subject.enFUNGAL CHITOSAN
dc.subject.enORGANIC-ACIDS
dc.subject.enOLIGOSACCHARIDES
dc.subject.enSALMONELLA
dc.subject.enGROWTH
dc.subject.enWALL
dc.title.enChemical characterization, antioxidant and anti-listerial activity of non-animal chitosan-glucan complexes
dc.typeArticle de revue
dc.identifier.doi10.1016/j.foodhyd.2016.05.019
dc.subject.halChimie/Polymères
bordeaux.journalFood Hydrocolloids
bordeaux.page338-343
bordeaux.volume61
bordeaux.hal.laboratoriesLaboratoire de Chimie des Polymères Organiques (LCPO) - UMR 5629*
bordeaux.institutionBordeaux INP
bordeaux.institutionUniversité de Bordeaux
bordeaux.peerReviewedoui
hal.identifierhal-01411934
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01411934v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Food%20Hydrocolloids&rft.date=2016&rft.volume=61&rft.spage=338-343&rft.epage=338-343&rft.eissn=0268-005X&rft.issn=0268-005X&rft.au=ZIMOCH-KORZYCKA,%20Anna&GARDRAT,%20Christian&AL%20KHARBOUTLY,%20Mayssa&CASTELLAN,%20Alain&PIANET,%20Isabelle&rft.genre=article


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