Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/3922
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dc.contributor.authorPereira, Leonel-
dc.contributor.authorMesquita, José F.-
dc.date.accessioned2008-08-29T15:58:46Z-
dc.date.available2008-08-29T15:58:46Z-
dc.date.issued2003en_US
dc.identifier.citationBiomolecular Engineering. 20:4-6 (2003) 217-222en_US
dc.identifier.urihttp://hdl.handle.net/10316/3922-
dc.description.abstractInfrared and Raman spectroscopic analysis of the carrageenan (alkaline extraction) in eight species (representing seven genera and four families) of Gigartinales, in different reproductive phases from Buarcos bay (Figueira da Foz, Portugal), were studied. Female gametophytes and non-fertile thalli samples of Chondrus crispus, Mastocarpus stellatus, Chondracanthus teedei var. lusitanicus, Gigartina pistillata and Chondracanthus acicularis present a [kappa]-carrageenan profile or varying degrees of a [kappa]-[iota] hybrid. The presence of [kappa]-[iota] hybrid carrageenan in C. teedei var. lusitanicus was confirmed by 13C NMR. The carrageenans extracted from Gymnogongrus crenulatus and Ahnfeltiopsis devoniensis are constituted mainly by [iota]-carrageenan but seasonal variations in the nature of carrageenans are present. [lambda]-Family carrageenans were found in tetrasporophytes of C. crispus, M. stellatus, C. teedei var. lusitanicus, C. acicularis and G. pistillata. Calliblepharis jubata presents carrageenans of [iota]-type in all reproductive stages.en_US
dc.description.urihttp://www.sciencedirect.com/science/article/B6VRM-48TMNJX-1/1/5c3e789e9ce06b27cda8bbf9eebcaea2en_US
dc.format.mimetypeaplication/PDFen
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectPortugalen_US
dc.subjectCarrageenophytesen_US
dc.subjectCarrageenanen_US
dc.subjectFT-Ramanen_US
dc.subject13C NMRen_US
dc.titleCarrageenophytes of occidental Portuguese coast: 1-spectroscopic analysis in eight carrageenophytes from Buarcos bayen_US
dc.typearticleen_US
dc.identifier.doi10.1016/S1389-0344(03)00056-X-
uc.controloAutoridadeSim-
item.fulltextCom Texto completo-
item.grantfulltextopen-
item.languageiso639-1en-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.researchunitMARE - Marine and Environmental Sciences Centre-
crisitem.author.orcid0000-0002-6819-0619-
Appears in Collections:FCTUC Ciências da Vida - Artigos em Revistas Internacionais
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