Bedounguindzi Walter Fiacre, Candelier Kévin, Edou Engonga Prosper, Dumarçay Stéphane, Thévenon Marie-France, Gérardin Philippe. 2020. Anti-termite and anti-fungal bio-sourced wood preservation ingredients from Dacryodes edulis (G. Don) H.J. Lam resin. Holzforschung, 74 (8) : 745-753.
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Quartile : Q1, Sujet : MATERIALS SCIENCE, PAPER & WOOD / Quartile : Q2, Sujet : FORESTRY
Résumé : Dacryodes edulis (G. Don) H.J. Lam resin was hydro-distilled to recover essential oil (EO), and further purified to produce a heavy fraction constituting less volatile compounds. Chemical composition was investigated by gas chromatography-mass spectrometry (GC-MS), and indicated that different monoterpenes and triterpenes were present depending on the analyzed fraction. Bioassays were performed on the different fractions to evaluate their anti-fungal and anti-termite properties. Results indicated that crude resin, its heavy fraction and its EO all had proved termicidal properties, which decrease on drying for EO and crude resin due to evaporation of monoterpenes. Conversely, no anti-fungal properties were observed for any fraction. Dacryodes edulis resin is therefore a new valuable bioactive ingredient for the formulation of wood protection products with anti-termite properties.
Mots-clés Agrovoc : Dacryodes edulis, extrait de bois, extrait d'écorce, résine, propriété antifongique, préservation du bois, Isoptera
Mots-clés libres : Dacryodes edulis (G. Don) H.J. Lam, Essential oil, Fungi, Resin, Termites, Terpene
Classification Agris : K50 - Technologie des produits forestiers
J12 - Manutention, transport, stockage et conservation des produits forestiers
F60 - Physiologie et biochimie végétale
Champ stratégique Cirad : CTS 4 (2019-) - Santé des plantes, des animaux et des écosystèmes
Auteurs et affiliations
- Bedounguindzi Walter Fiacre, Université de Lorraine (FRA)
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Candelier Kévin, CIRAD-PERSYST-UPR BioWooEB (FRA)
ORCID: 0000-0002-9328-8511
- Edou Engonga Prosper, Ecole Normale Supérieure de Libreville (GAB)
- Dumarçay Stéphane, Université de Lorraine (FRA)
- Thévenon Marie-France, CIRAD-PERSYST-UPR BioWooEB (FRA)
- Gérardin Philippe, Université de Lorraine (FRA) - auteur correspondant
Source : Cirad-Agritrop (https://agritrop.cirad.fr/594760/)
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