Royer Mariana, Stien Didier, Beauchêne Jacques, Herbette Gaëtan, McLean Jean Paul, Thibaut Anne, Thibaut Bernard. 2010. Extractives of the tropical wood Wallaba (Epeura falcata Aubl.) as natural anti-swelling agents. Holzforschung, 64 : 211-215.
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Quartile : Q1, Sujet : MATERIALS SCIENCE, PAPER & WOOD / Quartile : Q2, Sujet : FORESTRY
Résumé : Wallaba (Eperua falcata) is a tropical wood that is known to have naturally high moisture related dimensional stability. Samples of wallaba heartwood were subjected to differential solvent extraction. Wood pieces that were extracted with methanol showed significantly greater swelling following rehydration from oven dry to 96% relative humidity than non-extracted samples and samples extracted with other solvents. Methanol soluble wallaba heartwood extract was purified by HPLC and the compounds present were characterized by NMR spectroscopy. The structure of 13 compounds in methanol extract was identified. The relative proportion of polar compounds in methanol extract was found to be high. The compounds identified are proposed to bind to the polymeric cell wall by means of multiple hydrogen bonds restricting the association of water and therefore act as natural anti-swelling agents.
Mots-clés Agrovoc : Caesalpinioideae, extrait d'origine végétale, bois, propriété mécanique, gonflement, aptitude à la conservation, HPLC, spectroscopie RMN, bois tropical
Mots-clés géographiques Agrovoc : Guyane française, France
Mots-clés complémentaires : Epeura falcata
Classification Agris : K50 - Technologie des produits forestiers
F60 - Physiologie et biochimie végétale
U30 - Méthodes de recherche
Champ stratégique Cirad : Hors axes (2005-2013)
Auteurs et affiliations
- Royer Mariana, CIRAD-FORET-UMR ECOFOG (GUF)
- Stien Didier, CIRAD-FORET-UMR ECOFOG (GUF)
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Beauchêne Jacques, CIRAD-ES-UMR Ecofog (GUF)
ORCID: 0000-0003-4578-3670
- Herbette Gaëtan, Université des sciences et techniques de Saint Jérôme (FRA)
- McLean Jean Paul, UM2 (FRA)
- Thibaut Anne
- Thibaut Bernard, CIRAD-FORET-UMR ECOFOG (GUF)
Autres liens de la publication
Source : Cirad - Agritrop (https://agritrop.cirad.fr/554028/)
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