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<title lang=en>Chemical extractives of the tropical wood Wallaba are natural anti-swelling agents</title>
<creator>Royer, Marina</creator>
<creator>Stien, Didier</creator>
<creator>Beauchêne, Jacques</creator>
<creator>Herbette, Gaëtan</creator>
<creator>Mc Lean, John Paul</creator>
<creator>Thibaut, Anne</creator>
<creator>Thibaut, Bernard</creator>
<contributor>Ecologie des forêts de Guyane (ECOFOG) ; Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD) - Institut National de la Recherche Agronomique (INRA) - Université des Antilles et de la Guyane (UAG) - AgroParisTech - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Spectropôle - Aix Marseille Université (AMU SPEC) ; Aix Marseille Université (AMU) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Mécanique de l'Arbre et du Bois (MAB) ; Laboratoire de Mécanique et Génie Civil (LMGC) ; Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratoire de Mécanique et Génie Civil (LMGC) ; Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<description>International audience</description>
<source>ISSN: 0018-3830</source>
<source>EISSN: 1437-434X</source>
<source>Holzforschung</source>
<publisher>De Gruyter</publisher>
<identifier>hal-00856942</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00856942</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00856942/document</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00856942/file/Chemical_extractives_tropical_wood_Royer_al.pdf</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00856942</source>
<source>Holzforschung, De Gruyter, 2010, 64, pp.211-215</source>
<language>en</language>
<subject lang=en>Tropical Wood</subject>
<subject lang=en>NMR</subject>
<subject lang=en>HPLC</subject>
<subject lang=en>Dimensional Stability</subject>
<subject lang=en>Eperua falcata</subject>
<subject lang=en>Extractives</subject>
<subject>[SPI.MAT] Engineering Sciences [physics]/Materials</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Wallaba (Eperua falcata) is a tropical wood which is known to have naturally low swelling characteristics. Samples of wallaba heartwood were subjected to differential solvent extraction. Wood pieces that were extracted with methanol experienced significantly higher swelling after rehydration from oven dry to 96% relative humidity in comparison to non-extracted samples and samples extracted with other solvents. Methanol soluble wallaba heartwood extract was purified by high pressure liquid chromatography and the compounds present were characterised by nuclear magnetic resonance spectroscopy. Methanol extract was found to contain a very high relative proportion of polar compounds which are proposed to bind to the polymeric cell wall by multiple hydrogen bonds restricting the association of water and therefore acting as natural anti-swelling agents.</description>
<date>2010</date>
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