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Determination of carotenoid profiles in grapes, musts, and fortified wines from Douro varieties of vitis vinifera

2001Journal article Restricted access
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dc.contributor.authorPinho, Paula Guedes de
dc.contributor.authorFerreira, António C. Silva
dc.contributor.authorPinto, Manuela Mendes
dc.contributor.authorBenitez, Juan Gomez
dc.contributor.authorHogg, Tim
dc.date.accessioned2011-10-22T22:53:08Z
dc.date.available2011-10-22T22:53:08Z
dc.date.issued2001
dc.description.abstractβ-Carotene and six xanthophylls (lutein, neoxanthin, violaxanthin, luteoxanthin, cryptoxanthin, and echinenone) have been identified and semiquantitatively or quantitatively determined in musts and port wines for the first time. An HPLC method was developed and compared with that of one based on thin layer cromatography with scanning densitometry. The most abundant carotenoids present in red grape varieties are β-carotene and lutein. In wines, significant quantities of violaxanthin, luteoxanthin, and neoxanthin were found. This study was done with berries (skin and pulp), musts, and fortified wines. Some experiments were performed to follow carotenoid content from grapes to wines. Although the levels of β-carotene and lutein found in fortified wines were lower than those found in musts, other xanthophylls, such as neoxanthin, violaxanthin, and luteoxanthin, exist in appreciable amounts in young ports.por
dc.identifier.citationPINHO, Paula Guedes de ...[et al.] - Determination of Carotenoid Profiles in Grapes, Musts, and Fortified Wines from Douro Varieties of Vitis vinifera. Journal of Agricultural and Food Chemistry. ISSN 1520-5118. Vol. 49, n.º 11 (2001), pp 5484–5488por
dc.identifier.urihttp://hdl.handle.net/10400.14/6901
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherAmerican Chemical Societypor
dc.subjectCarotenoidspor
dc.subjectWine compositionpor
dc.subjectWinemakingpor
dc.subjectAroma precursorspor
dc.titleDetermination of carotenoid profiles in grapes, musts, and fortified wines from Douro varieties of vitis viniferapor
dc.typejournal article
dspace.entity.typePublication
person.familyNameGuedes de Pinho
person.familyNameSilva Ferreira
person.familyNameHogg
person.givenNamePaula
person.givenNameAntonio Cesar
person.givenNameTim
person.identifier392870
person.identifier.ciencia-id2510-1418-EF48
person.identifier.ciencia-id931A-48DA-23A8
person.identifier.ciencia-idFF11-88CC-8BD4
person.identifier.orcid0000-0002-7395-5700
person.identifier.orcid0000-0002-1188-1021
person.identifier.orcid0000-0003-2017-4131
person.identifier.ridJXY-0365-2024
person.identifier.scopus-author-id6504448214
person.identifier.scopus-author-id7005603860
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication0bde318f-79f7-4130-8600-e553f3384cc6
relation.isAuthorOfPublication826c11dd-d070-4b67-ac58-c96675e3f3b8
relation.isAuthorOfPublication12b8092d-fe59-408b-8058-47369a97d229
relation.isAuthorOfPublication.latestForDiscovery826c11dd-d070-4b67-ac58-c96675e3f3b8

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