Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C

Detalhes bibliográficos
Ano de defesa: 2008
Autor(a) principal: Souza, Natalia Dias de lattes
Orientador(a): Abreu, Heber dos Santos lattes
Banca de defesa: Não Informado pela instituição
Tipo de documento: Dissertação
Tipo de acesso: Acesso aberto
Idioma: por
Instituição de defesa: Universidade Federal Rural do Rio de Janeiro
Programa de Pós-Graduação: Programa de P?s-Gradua??o em Ci?ncias Ambientais e Florestais
Departamento: Instituto de Florestas
País: Brasil
Palavras-chave em Português:
identifica??o de madeiras
extratos
perfil espectral
RMN 13C
Palavras-chave em Inglês:
wood identification
extracts
spectral profile
Área do conhecimento CNPq:
Recursos Florestais e Engenharia Florestal
Link de acesso: https://tede.ufrrj.br/jspui/handle/tede/456
Resumo: The Eucalyptus genus is represented for trees that have high growth rate, plasticity, straight way of stem growth, natural pruning and wood with the technological properties suitable for a diverse use. In function of ecological society pressure and the larger distance between the forest and the consumer center, the native woods have been substituted by eucalyptus wood, which presents enough condition and great options to supply the necessity and the exigent wood market in Brazil. In this context, many researches on Eucalyptus have been carried on several point of view. One of difficulty for usury of Eucalyptus wood is its identification. For solve this problem, it was developed an alternative way for Eucalyptus wood identification, without to take hand the anatomical and morphological tools. Thus new methods of identification faster and cheaper must be developed. On this way, the application of Nuclear Magnetic Resonance (NMR) showed to be one promise technique for wood identification. This research has turned possible with NMR 13C spectrometry method. A spectral variation among cyclohexane extracts permitted to observe the physiological, ecological and genetical behavior on the Eucalyptus wood. Dada of 13C NMR has shown that the cyclohexane extracts spectra of heartwood were the most representative for the wood identification, than others solvent. With these data was possible to establish a common spectral profile for E. grandis, E. urophylla and E. urograndis from each anatomical wood region (sapwood, transition zone and heartwood).
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spelling Abreu, Heber dos Santos509.726.507-68http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4781432Z5095.369.757-69tp://lattes.cnpq.br/0581023333881948Souza, Natalia Dias de2016-04-28T14:56:14Z2008-07-072008-03-07SOUZA, Natalia Dias de. Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C. 2008. 199 f. Disserta??o (Mestrado em Ci?ncias Ambientais e Florestais) - Instituto de Florestas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2008.https://tede.ufrrj.br/jspui/handle/tede/456The Eucalyptus genus is represented for trees that have high growth rate, plasticity, straight way of stem growth, natural pruning and wood with the technological properties suitable for a diverse use. In function of ecological society pressure and the larger distance between the forest and the consumer center, the native woods have been substituted by eucalyptus wood, which presents enough condition and great options to supply the necessity and the exigent wood market in Brazil. In this context, many researches on Eucalyptus have been carried on several point of view. One of difficulty for usury of Eucalyptus wood is its identification. For solve this problem, it was developed an alternative way for Eucalyptus wood identification, without to take hand the anatomical and morphological tools. Thus new methods of identification faster and cheaper must be developed. On this way, the application of Nuclear Magnetic Resonance (NMR) showed to be one promise technique for wood identification. This research has turned possible with NMR 13C spectrometry method. A spectral variation among cyclohexane extracts permitted to observe the physiological, ecological and genetical behavior on the Eucalyptus wood. Dada of 13C NMR has shown that the cyclohexane extracts spectra of heartwood were the most representative for the wood identification, than others solvent. With these data was possible to establish a common spectral profile for E. grandis, E. urophylla and E. urograndis from each anatomical wood region (sapwood, transition zone and heartwood).O g?nero Eucalyptus ? representado por ?rvores com alta taxa de crescimento, plasticidade, forma retil?nea de crescimento do fuste, desrama natural e madeira com varia??es nas propriedades tecnol?gicas, adaptadas ?s mais variadas condi??es de uso. Em fun??o das press?es ecol?gicas e da dist?ncia do mercado consumidor de madeiras nativas, o eucalipto apresenta-se como uma das melhores op??es para suprir este mercado no Brasil. O eucalipto pode apresentar caracter?sticas anat?micas e morfol?gicas muito parecidas, principalmente em decorr?ncia de cruzamento natural, tornando-se extremamente dif?cil a sua identifica??o. As t?cnicas conhecidas da sistem?tica bot?nica e da anatomia da madeira muitas vezes exigem ferramentas indispon?veis. A Resson?ncia Magn?tica Nuclear (RMN) sem d?vida pode vir a ser uma das mais promissoras t?cnicas de identifica??o, haja vista os estudos de estruturas e da din?mica de mol?culas org?nicas em solu??o. A RMN permite elucidar as estruturas moleculares de v?rias subst?ncias incluindo as que ocorrem na madeira. Esta pesquisa teve o objetivo de constituir um m?todo de identificar as madeiras de esp?cies do g?nero Eucalyptus atrav?s da t?cnica de RMN 13C utilizando as varia??es espectrais dos extratos ciclohex?nicos sob o ponto de vista fisiol?gico, ecol?gico e gen?tico. Com os resultados obtidos, pode-se concluir que os espectros dos extratos ciclohex?nicos do cerne foram os mais representativos para o estudo de identifica??o de madeiras, devido ao n?mero de sinais existentes em rela??o ?s regi?es dos espectros: alif?tica (0 a 55 ppm), olef?nicas e arom?ticas (110 a 155 ppm) e carbon?licas e ac?licas (155 a 220 ppm). Com esses resultados foi poss?vel identificar o perfil espectral comum para as esp?cies E. grandis e E. urophylla e para o h?brido E. urograndis de cada regi?o anat?mica (alburno, zona de transi??o e cerne).Made available in DSpace on 2016-04-28T14:56:14Z (GMT). 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dc.title.por.fl_str_mv Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C
dc.title.alternative.eng.fl_str_mv Wood identification of clones of Eucalyptus grandis, Eucalyptus urophylla and of the hybrid Eucalyptus urograndis by 13C NMR
title Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C
spellingShingle Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C
Souza, Natalia Dias de
identifica??o de madeiras
extratos
perfil espectral
RMN 13C
wood identification
extracts
spectral profile
Recursos Florestais e Engenharia Florestal
title_short Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C
title_full Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C
title_fullStr Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C
title_full_unstemmed Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C
title_sort Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C
author Souza, Natalia Dias de
author_facet Souza, Natalia Dias de
author_role author
dc.contributor.advisor1.fl_str_mv Abreu, Heber dos Santos
dc.contributor.advisor1ID.fl_str_mv 509.726.507-68
dc.contributor.advisor1Lattes.fl_str_mv http://buscatextual.cnpq.br/buscatextual/visualizacv.do?id=K4781432Z5
dc.contributor.authorID.fl_str_mv 095.369.757-69
dc.contributor.authorLattes.fl_str_mv tp://lattes.cnpq.br/0581023333881948
dc.contributor.author.fl_str_mv Souza, Natalia Dias de
contributor_str_mv Abreu, Heber dos Santos
dc.subject.por.fl_str_mv identifica??o de madeiras
extratos
perfil espectral
RMN 13C
topic identifica??o de madeiras
extratos
perfil espectral
RMN 13C
wood identification
extracts
spectral profile
Recursos Florestais e Engenharia Florestal
dc.subject.eng.fl_str_mv wood identification
extracts
spectral profile
dc.subject.cnpq.fl_str_mv Recursos Florestais e Engenharia Florestal
description The Eucalyptus genus is represented for trees that have high growth rate, plasticity, straight way of stem growth, natural pruning and wood with the technological properties suitable for a diverse use. In function of ecological society pressure and the larger distance between the forest and the consumer center, the native woods have been substituted by eucalyptus wood, which presents enough condition and great options to supply the necessity and the exigent wood market in Brazil. In this context, many researches on Eucalyptus have been carried on several point of view. One of difficulty for usury of Eucalyptus wood is its identification. For solve this problem, it was developed an alternative way for Eucalyptus wood identification, without to take hand the anatomical and morphological tools. Thus new methods of identification faster and cheaper must be developed. On this way, the application of Nuclear Magnetic Resonance (NMR) showed to be one promise technique for wood identification. This research has turned possible with NMR 13C spectrometry method. A spectral variation among cyclohexane extracts permitted to observe the physiological, ecological and genetical behavior on the Eucalyptus wood. Dada of 13C NMR has shown that the cyclohexane extracts spectra of heartwood were the most representative for the wood identification, than others solvent. With these data was possible to establish a common spectral profile for E. grandis, E. urophylla and E. urograndis from each anatomical wood region (sapwood, transition zone and heartwood).
publishDate 2008
dc.date.available.fl_str_mv 2008-07-07
dc.date.issued.fl_str_mv 2008-03-07
dc.date.accessioned.fl_str_mv 2016-04-28T14:56:14Z
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dc.identifier.citation.fl_str_mv SOUZA, Natalia Dias de. Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C. 2008. 199 f. Disserta??o (Mestrado em Ci?ncias Ambientais e Florestais) - Instituto de Florestas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2008.
dc.identifier.uri.fl_str_mv https://tede.ufrrj.br/jspui/handle/tede/456
identifier_str_mv SOUZA, Natalia Dias de. Identifica??o de madeiras de clones de Eucalyptus grandis, Eucalyptus urophylla e do h?brido Eucalyptus urograndis por RMN 13C. 2008. 199 f. Disserta??o (Mestrado em Ci?ncias Ambientais e Florestais) - Instituto de Florestas, Universidade Federal Rural do Rio de Janeiro, Serop?dica - RJ, 2008.
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dc.publisher.country.fl_str_mv Brasil
dc.publisher.department.fl_str_mv Instituto de Florestas
publisher.none.fl_str_mv Universidade Federal Rural do Rio de Janeiro
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