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Phenolic compounds in external leaves of tronchuda cabbage (Brassica oleracea L. var. costata DC)

2005Journal article Restricted access
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dc.contributor.authorFerreres, Frederico
dc.contributor.authorValentão, Patrícia
dc.contributor.authorLlorach, Rafael
dc.contributor.authorPinheiro, Cristina
dc.contributor.authorCardoso, Lígia
dc.contributor.authorPereira, J.A.
dc.contributor.authorSeabra, Rosa M.
dc.contributor.authorAndrade, Paula B.
dc.date.accessioned2008-09-03T11:14:08Z
dc.date.available2008-09-03T11:14:08Z
dc.date.issued2005
dc.description.abstractGlycosylated kaempferol derivatives from the external leaves of tronchuda cabbage ( Brassica oleracea L. var. costataDC) characterized by reversed-phase HPLC-DAD-MS/MS-ESI were kaempferol 3- Osophorotrioside- 7-O-glucoside, kaempferol 3-O- (methoxycaffeoyl/caffeoyl)sophoroside-7- O-glucoside, kaempferol 3-O-sophoroside-7-O-glucoside, kaempferol 3-O-sophorotrioside-7-O-sophoroside, kaempferol 3- O-sophoroside-7- O-sophoroside, kaempferol 3- O-tetraglucoside-7- O-sophoroside, kaempferol 3- O-(sinapoyl/caffeoyl)sophoroside-7-O-glucoside, kaempferol 3-O-(feruloyl/caffeoyl)sophoroside-7- O-glucoside, kaempferol 3-O-sophorotrioside, kaempferol 3-O-(sinapoyl)sophoroside, kaempferol 3-O- (feruloyl)sophorotrioside, kaempferol 3- O-(feruloyl)sophoroside, kaempferol 3- O-sophoroside, and kaempferol 3- O-glucoside. These acylated derivatives are reported for the first time in nature, with the exception of kaempferol 3- O-(sinapoyl)sophoroside. Quantification of the identified compounds was achieved by HPLC-DAD and carried out in samples cultivated under conventional or organic practices and collected at different times. In general, samples from organic production exhibited higher total phenolics content than those from conventional practices collected in the same period.en
dc.identifier.citationFerreres, F.; Valentão, P.; Llorach, R.; Pinheiro, C.; Cardoso, L.; Pereira, J.A.; Seabra, R.M.; Andrade, P.B. (2005). Phenolic compounds in external leaves of tronchuda cabbage (Brassica oleracea L. var. costata DC). Journal of Agricultural and Food Chemistry. ISSN 0021-8561. 53:8., p. 2901-2907en
dc.identifier.doi10.1021/jf040441s
dc.identifier.issn0021-8561
dc.identifier.urihttp://hdl.handle.net/10198/729
dc.language.isoengen
dc.peerreviewedyes
dc.publisherACSen
dc.subjectTronchuda cabbageen
dc.subjectBrassica oleracea L. var. costata DCen
dc.subjectKaempferol derivativesen
dc.subjectHPLC-DADen
dc.titlePhenolic compounds in external leaves of tronchuda cabbage (Brassica oleracea L. var. costata DC)en
dc.typejournal article
dspace.entity.typePublication
person.familyNamePereira
person.givenNameJosé Alberto
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.orcid0000-0002-2260-0600
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id57204366348
rcaap.rightsopenAccess
rcaap.typearticleen
relation.isAuthorOfPublication7932162e-a2da-4913-b00d-17babbe51857
relation.isAuthorOfPublication.latestForDiscovery7932162e-a2da-4913-b00d-17babbe51857

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