Corn arabinoxylan has a repeating structure of subunits of high branch complexity with slow gut microbiota fermentation

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dc.contributor.authorXu, Haidi
dc.contributor.authorReuhs, Bradley L.
dc.contributor.authorCantu-Jungles, Thaisa M.
dc.contributor.authorTuncil, Yunus E.
dc.contributor.authorKaur, Amandeep
dc.contributor.authorTerekhov, Anton
dc.contributor.authorMartens, Eric C.
dc.date.accessioned2024-02-23T14:02:23Z
dc.date.available2024-02-23T14:02:23Z
dc.date.issued2022
dc.departmentNEÜen_US
dc.description.abstractCorn arabinoxylan (CAX), a cell wall-derived dietary fiber, was extracted with alkali, partially purified, and treated with hydrolytic enzymes in order to investigate the relationship of fine structure and fermentability by the human gut microbiota. Glycosyl composition and linkage analysis of CAX and two hydrolysates, coupled with molecular size analysis, indicated an organized structural feature of the native polymer, which consists of a repeating structural subunit containing complex branching patterns along the xylan backbone and flanked by regions of less complexity. The two lengths of the highly branched subunit were isolated and were shown to have enhanced slow fermentation property compared to the native structure (3.3 vs. 5.9 mL gas, 4 h), that was related to increasing complexity of the branched structures. Lower molecular size structures with higher branch complexity fermented slower, contrary to a conventional view that small fiber structures approaching the oligosaccharide level are necessarily more rapidly fermented.en_US
dc.description.sponsorshipWhistler Center for Carbohydrate Research and China Scholarship Councilen_US
dc.description.sponsorshipThis research was supported by the Whistler Center for Carbohydrate Research and China Scholarship Council.en_US
dc.identifier.doi10.1016/j.carbpol.2022.119435
dc.identifier.issn0144-8617
dc.identifier.issn1879-1344
dc.identifier.pmid35483848en_US
dc.identifier.scopus2-s2.0-85127478662en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.carbpol.2022.119435
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11686
dc.identifier.volume289en_US
dc.identifier.wosWOS:000891805400005en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofCarbohydrate Polymersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectCornen_US
dc.subjectArabinoxylanen_US
dc.subjectStructureen_US
dc.subjectGuten_US
dc.subjectMicrobiotaen_US
dc.subjectFermentationen_US
dc.titleCorn arabinoxylan has a repeating structure of subunits of high branch complexity with slow gut microbiota fermentationen_US
dc.typeArticleen_US

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