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dc.contributor.authorBermúdez-Oria, Alejandraes_ES
dc.contributor.authorRodríguez-Gutiérrez, Guillermoes_ES
dc.contributor.authorFernández-Prior, Áfricaes_ES
dc.contributor.authorKnicker, Heikees_ES
dc.contributor.authorFernández-Bolaños Guzmán, Juanes_ES
dc.date.accessioned2020-02-20T08:32:46Z-
dc.date.available2020-02-20T08:32:46Z-
dc.date.issued2020-05-
dc.identifier.citationFood Hydrocolloids 102: 105584 (2020)es_ES
dc.identifier.issn0268-005X-
dc.identifier.urihttp://hdl.handle.net/10261/201305-
dc.description9 páginas.- 7 figuras.- 35 referenciases_ES
dc.description.abstractThe aim of this study was to prepare a complex between the olive phenolic compounds, hydroxytyrosol (HT), 3,4-dihydroxyphenylglycol (DHPG) and their mixture, with the soluble and insoluble dietary fiber of apple cell wall. A strong interaction between phenols and the apple cell wall occurred during the drying phase and it was confirmed by ultraviolet–visible spectrometry, Fourier transform infrared spectrometry, differential scanning calorimetry, thermogravimetry and especially by solid-state 13C NMR spectroscopy. The antiradical activity by DPPH, ABTS and ORAC assays confirmed that the simple phenolic HT/DHPG maintained in part their antioxidant activity after complexation with the apple cell wall. In addition, the HT/DHPG-soluble and insoluble fractions obtained after simulated gastrointestinal fluids retained this antioxidant activity. These complexes may be protected from absorption during gastrointestinal transit to reach the colon. In the case of the soluble dietary fiber, an enzymatic treatment, in a simulation of hydrolysis by colonic microflora, released oligomers with potential antioxidant activity from this complex. Therefore, the intake of HT/DHPG bound to the fiber of apple cell wall could provide many of the health benefits associated with dietary fiber, and be fermented by gut bacteria to contribute to a healthy antioxidant environment. © 2019 Elsevier Ltdes_ES
dc.description.sponsorshipThis work was supported by the Ministerio de Ciencias, Innovación y Universidades of Spain and co-funded by European Social Fund (ESF) [AGL2016-79088-R). A. Bermúdez-Oria received funding from the Spanish FPI program (MEIC) (BES-2014-068508). The funders had no involvement in study design, collection, analysis or interpretation of data, writing of the report, or in the decision to submit the article for publication.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.relationMINECO/ICTI2013-2016/AGL2016-79088-Res_ES
dc.relation.isversionofPostprint-
dc.rightsembargoedAccesses_ES
dc.subjectAntioxidant activityes_ES
dc.subjectApple cell walles_ES
dc.subjectOlive phenolses_ES
dc.subjectPhenol-insoluble dietary fiber complexes_ES
dc.subjectPhenol-soluble dietary fiber complexes_ES
dc.subjectSolid-state 13c NMR spectroscopyes_ES
dc.titleConfirmation by solid-state NMR spectroscopy of a strong complex phenol-dietary fiber with retention of antioxidant activity in vitroes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.foodhyd.2019.105584-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.foodhyd.2019.105584es_ES
dc.embargo.terms2021-05-01-
dc.contributor.funderMinisterio de Ciencia, Innovación y Universidades (España)es_ES
dc.contributor.funderEuropean Commissiones_ES
dc.relation.csices_ES
oprm.item.hasRevisionno ko 0 false*
dc.identifier.funderhttp://dx.doi.org/10.13039/501100000780es_ES
dc.contributor.orcidBermúdez-Oria, Alejandra [0000-0002-3632-3595]es_ES
dc.contributor.orcidKnicker, Heike [0000-0002-0483-2109]es_ES
dc.contributor.orcidFernández-Bolaños Guzmán, Juan [0000-0003-0931-2695]es_ES
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