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dc.contributor.authorDINIZ, G. S.pt_BR
dc.contributor.authorBARBARINO, E.pt_BR
dc.contributor.authorOIANO-NETO, J.pt_BR
dc.contributor.authorPACHECO, S.pt_BR
dc.contributor.authorLOURENÇO, S. O.pt_BR
dc.date.accessioned2011-11-21T11:11:11Zpt_BR
dc.date.available2011-11-21T11:11:11Zpt_BR
dc.date.created2011-11-21pt_BR
dc.date.issued2011pt_BR
dc.identifier.citationAmerican Journal of Plant Sciences, v. 2, n. 3, p. 287-296, 2011.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/906503pt_BR
dc.descriptionDespite decades of research on marine algae, there are still significant gaps in basic knowledge about chemical com-position of these organisms, especially in tropical environments. In this study, the amino acid composition and contents of total nitrogen, phosphorus, lipid, carbohydrate and protein were determined in Asparagopsis taxiformis, Centroceras clavulatum, Chaetomorpha aerea, Sargassum filipendula and Spyridia hypnoides. The seaweeds showed low lipid con-tents (lower than 5.5% d.w. in all species) and were rich in carbohydrates (more than 16% d.w. in all seaweeds). The percentage of nitrogen, phosphorus and protein varied widely among species, which red algae showed the highest con-centrations. The amino acid composition was similar among the seaweeds, which glutamic acid, aspartic acid and leu-cine as the most abundant. All species are poor in histidine. An average of 24.2% of the total nitrogen is non-proteinaceous. From data of total amino acid and total nitrogen, specific nitrogen-to-protein conversion factors were calculated for each species. The nitrogen-to-protein conversion factors calculated ranged from 4.51 to 5.21, with an overall average of 4.86. These findings show that the traditional conversion factor of 6.25 should be avoided for seaweeds, since it overestimates the actual protein content.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.titleGross chemical profile and calculation of nitrogen-to-protein conversion factors for five tropical seaweeds.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2011-11-21T11:11:11Zpt_BR
dc.subject.thesagroProteínapt_BR
dc.subject.thesagroAlga marinhapt_BR
dc.subject.thesagroAminoácidopt_BR
dc.subject.nalthesaurusMacroalgaept_BR
dc.subject.nalthesaurusProteinspt_BR
dc.subject.nalthesaurusAmino acidspt_BR
riaa.ainfo.id906503pt_BR
riaa.ainfo.lastupdate2011-11-21pt_BR
dc.identifier.doi10.4236/ajps.2011.23032pt_BR
dc.contributor.institutionGRACIELA S. DINIZ, UFF; ELISABETE BARBARINO, UFF; JOAO OIANO NETO, CPPSE; SIDNEY PACHECO, CTAA; SERGIO O. LOURENÇO, UFF.pt_BR
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