Antioxidant activity and enzymatic of lichen substances: A study based on cyclic voltammetry and theoretical

Simple item page
datacite.alternateIdentifier.citationChemico-Biological interactions, 372, 2023
datacite.alternateIdentifier.doi10.1016/j.cbi.2023.110357
datacite.alternateIdentifier.issn1872-7786
datacite.creatorYañez, Osvaldo
datacite.creatorOsorio, Manuel Isaías
datacite.creatorOsorio, Edison H.
datacite.creatorTiznado, William A.
datacite.creatorRuíz, Lina María
datacite.creatorGarcía, Camilo
datacite.creatorNagles, Edgar
datacite.creatorSimirgiotis, Mario Juan
datacite.creatorCastañeta, Grover
datacite.creatorAreche, Carlos
datacite.date2023
datacite.rightsAcceso abierto
datacite.subjectAntioxidant
datacite.subjectCyclic Voltamperograms
datacite.subjectCyps Enzymes
datacite.subjectDft Methods
datacite.subjectLichenic Substances
datacite.subjectNatural Products
datacite.subjectHydrogen
datacite.subjectPhenol
datacite.subjectProton
datacite.subjectSterol 14alpha Demethylase
datacite.subjectAntioxidants
datacite.subjectHydrogen
datacite.subjectProtons
datacite.subjectBarbatolic Acid
datacite.subjectCarboxylic Acid
datacite.subjectCytochrome P450 1a2
datacite.subjectCytochrome P450 2c9
datacite.subjectDiffractaic Acid
datacite.subjectFumarprotocetraric Acid
datacite.subjectHydrogen
datacite.subjectLichen Substance
datacite.subjectLobaric Acid
datacite.subjectMethyl Haematommate
datacite.subjectMethylatrarate
datacite.subjectNatural Product
datacite.subjectOrganic Compound
datacite.subjectPhenol
datacite.subjectProton
datacite.subjectSalazinic Acid
datacite.subjectSphaerophorin
datacite.subjectSterol 14alpha Demethylase
datacite.subjectSubsphaeric Acid
datacite.subjectUnclassified Drug
datacite.subjectAntioxidant
datacite.subjectActive Transport
datacite.subjectAntioxidant Activity
datacite.subjectArticle
datacite.subjectBinding Affinity
datacite.subjectCalculation
datacite.subjectChemical Structure
datacite.subjectControlled Study
datacite.subjectCyclic Voltammetry
datacite.subjectCyclic Voltamperogram
datacite.subjectDissociation
datacite.subjectElectron
datacite.subjectElectron Transport
datacite.subjectEnzyme Activity
datacite.subjectFree Radical Scavenging Assay
datacite.subjectHuman
datacite.subjectHydrogen Atomic Transfer
datacite.subjectHydrogen Bond
datacite.subjectLichen (organism)
datacite.subjectMathematical Computing
datacite.subjectNonhuman
datacite.subjectProton Transport
datacite.subjectReversal Potential
datacite.subjectSlope Factor
datacite.subjectTheoretical Sample
datacite.subjectChemistry
datacite.subjectThermodynamics
datacite.subjectAntioxidants
datacite.subjectElectron Transport
datacite.subjectHydrogen
datacite.subjectLichens
datacite.subjectProtons
datacite.subjectThermodynamics
datacite.subjectSustancias Líquenicases
datacite.subjectAntioxidantees
datacite.subjectVoltammogramas Cíclicoses
datacite.subjectMétodos Dftes
datacite.subjectEnzimas Cypses
datacite.subjectProductos Naturaleses
datacite.titleAntioxidant activity and enzymatic of lichen substances: A study based on cyclic voltammetry and theoretical
dc.contributor.authorGARCIA SANHUEZA, CAMILO ANDRES
dc.date.accessioned2025-10-06T14:21:46Z
dc.date.available2025-10-06T14:21:46Z
dc.description.abstractThe antioxidant activity of nine lichen substances, including methylatrarate (1), methyl haematommate (2), lobaric acid (3), fumarprotocetraric acid (4), sphaerophorin (5), subsphaeric acid (6), diffractaic acid (7), barbatolic acid (8) and salazinic acid (9) has been determined through cyclic voltammetry. The compounds 1 4 presented slopes close to the Nernst constant of 0.059 V, indicating a 2H+/2e? relation between protons and electrons, as long as the compounds 5, 6, 7, 8, and 9 present slopes between 0.037 V and 0.032 V, indicating a 1H+/2e? relation between protons and electrons. These results show a high free radical scavenging activity by means of the release of H+, suggesting an important antioxidant capacity of these molecules. Theoretical calculations of hydrogen bond dissociation enthalpies (BDE), proton affinities (PA), and Proton Transfer (PT) mechanisms, at M06-2x/6-311+G(d,p) level complement the experimental results. Computations support that the best antioxidant activity is obtained for the molecules (3, 4, 5, 6, 7 and 8), that have a carboxylic acid group close to a phenolic hydroxyl group, through hydrogen atomic transfer (HAT) and sequential proton loss electron transfer (SPLET) mechanisms. Additional computations were performed for modelling binding affinity of the lichen substances with CYPs enzymes, mainly CYP1A2, CYP51, and CYP2C9*2 isoforms, showing strong affinity for all the compounds described in this study. © 2023 Elsevier B.V., All rights reserved.
dc.description.ia_keywordacid, antioxidant, activity, lichen, substances, compounds, proton
dc.formatPDF
dc.identifier.issn0009-2797
dc.identifier.urihttps://repositoriodigital.uct.cl/handle/10925/6795
dc.language.isoen
dc.publisherElsevier BV
dc.relationinstname: ANID
dc.relationreponame: Repositorio Digital RI2.0
dc.rights.driverinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/cl/
dc.sourceChemico-Biological interactions
dc.type.driverinfo:eu-repo/semantics/article
dc.type.driverhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.type.openaireinfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
oaire.citationEdition2023
oaire.citationTitleChemico-Biological interactions
oaire.citationVolume372
oaire.fundingReferenceColombia Científica RCFP44842-212-2018
oaire.fundingReferenceINACH RT 16 17
oaire.fundingReferenceANID FONDECYT 1190314 (Regular)
oaire.licenseConditionObra bajo licencia Creative Commons Atribución-No Comercial-Sin Derivadas 4.0 Internacional
oaire.licenseCondition.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
oaire.resourceTypeArtículo
oaire.resourceType.enArticle
relation.isAuthorOfPublication71dc67f3-0496-49e9-a9e3-33979c5dc922
relation.isAuthorOfPublication.latestForDiscovery71dc67f3-0496-49e9-a9e3-33979c5dc922
uct.catalogadorjvu
uct.comunidadRecursos Naturalesen_US
uct.departamentoDepartamento de Ciencias Biológicas y Químicas
uct.facultadFacultad de Recursos Naturales
uct.indizacionScience Citation Index Expanded - SCIE
uct.indizacionSCOPUS
uct.indizacionWOS
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
Yañez et al. - 2023 - Chemico-Biological I - Antioxidant activity and enzym.pdf
Size:
4.37 MB
Format:
Adobe Portable Document Format
Description:
Download
Collections
Producción Alimentaria