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Biochemical basis of CO2-related internal browning disorders in pears (Pyrus communisL. cv. Rocha) during long-term storage

2016Journal article Restricted access
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dc.contributor.authorDeuchande, Teresa
dc.contributor.authorLarrigaudière, Christian
dc.contributor.authorGiné-Bordonaba, Jordi
dc.contributor.authorCarvalho, Susana
dc.contributor.authorVasconcelos, Marta W.
dc.date.accessioned2017-10-13T09:17:06Z
dc.date.available2017-10-13T09:17:06Z
dc.date.issued2016
dc.description.abstractThis study aimed at understanding the biochemical basis of internal browning disorders (IBDs) in 'Rocha' pear. For this purpose, the effects of storage under normal controlled atmosphere (CA) (3 kPa of O2 + 0.5 kPa of CO2) and IBD-inducing CA (1 kPa of O2 + 10 kPa of CO2) on the antioxidant and fermentative metabolisms and polyphenol oxidase (PPO) activity and phenolics concentration were studied. The higher IBD incidence in high CO2-stored fruits was positively correlated with fermentative metabolites and negatively with ascorbate and H2O2 concentrations, and it was linked to PPO activation. These results indicate that both the antioxidant and fermentative metabolisms are involved in the occurrence of IBD in 'Rocha' pear. From the integration of the biochemical and enzymatic data, a schematic model illustrating the effects of high CO2 and low O2 in 'Rocha' pears during long-term storage was constructed.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationDEUCHANDE, Teresa; LARRIGAUDIERE, Christian; GINE-BORDONABA, Jordin; CARVALHO, Susana; VASCONCELOS, Marta W. - Biochemical basis of CO2-related internal browning disorders in pears (pyrus communis L. cv. rocha) during long-term storage. Journal of Agricultural and Food Chemistry. ISSN 1520-5118. Vol. 64, n.º 21 (2016), p. 4336-4345pt_PT
dc.identifier.doi10.1021/acs.jafc.6b00740pt_PT
dc.identifier.eid84973293258
dc.identifier.pmid27118401
dc.identifier.urihttp://hdl.handle.net/10400.14/23073
dc.identifier.wos000377150800018
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAmerican Chemical Society
dc.subjectAntioxidant systempt_PT
dc.subjectControlled-atmosphere storagept_PT
dc.subjectFermentative metabolismpt_PT
dc.subjectHydrogen peroxidept_PT
dc.subjectPolyphenol oxidasept_PT
dc.subjectPyrus communispt_PT
dc.titleBiochemical basis of CO2-related internal browning disorders in pears (Pyrus communisL. cv. Rocha) during long-term storagept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/SFRH/SFRH%2FBD%2F73216%2F2010/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FMulti%2F50016%2F2013/PT
oaire.citation.endPage4345
oaire.citation.issue21
oaire.citation.startPage4336
oaire.citation.titleJournal of Agricultural and Food Chemistrypt_PT
oaire.citation.volume64
oaire.fundingStreamSFRH
oaire.fundingStream5876
person.familyNameDeuchande
person.familyNameCarvalho
person.familyNameVasconcelos
person.givenNameTeresa
person.givenNameSusana M.P.
person.givenNameMarta
person.identifier194747
person.identifier74696
person.identifier.ciencia-id1C17-8474-DA4F
person.identifier.ciencia-id5E16-859A-37A4
person.identifier.orcid0000-0002-7017-882X
person.identifier.orcid0000-0001-7157-1079
person.identifier.orcid0000-0002-5110-7006
person.identifier.ridI-7184-2013
person.identifier.ridI-8166-2013
person.identifier.scopus-author-id56604286100
person.identifier.scopus-author-id7005619826
person.identifier.scopus-author-id14627797100
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
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