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Holz als Roh- und Werkstoff

, 65:23 | Cite as

Chemical compounds from Eperua falcata and Eperua grandiflora heartwood and their biological activities against wood destroying fungus (Coriolus versicolor)

  • Nadine AmusantEmail author
  • Christian Moretti
  • Bernard Richard
  • Elise Prost
  • Jean Marc Nuzillard
  • Marie France Thévenon
ORIGINALARBEITEN ORIGINALS

Abstract

The chemical analysis of the compounds present in dichloromethane and ethanolic fractions as well as bioassays enable to understand the differences in the durability of Eperua falcata and Eperua grandiflora. The main distinction between these two species is the acidic subfraction of diterpenoid extract, which is antifungal in Eperua falcata when tested under in-vitro conditions. This study also shows that ethanolic fraction plays an important role in the mechanism of natural durability. Furthermore, it reports the first isolation of cativic acid in Eperua falcata wood.

Keywords

Antifungal Activity Sawdust Black Locust Wood Block Diterpenoid 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Chemische Inhaltsstoffe aus dem Kernholz von Eperua falcata und Eperua grandiflora und ihre Wirkung gegen Holz zerstörende Pilze (Coriolus versicolor)

Zusammenfassung

Anhand chemischer Analyse der in Dichlormethan- und Ethanolfraktionen vorhandenen Verbindungen sowie biologischer Prüfungen können die Unterschiede in der Dauerhaftigkeit von Eperua falcata und Eperua grandiflora aufgezeigt werden. Der Hauptunterschied zwischen den beiden Arten besteht in der sauren Fraktion des Diterpenoid-Extraktstoffes, der sich bei Prüfungen unter in-vitro Bedingungen bei Eperua falcata als pilzwidrig erwies. Anhand dieser Arbeit konnte auch gezeigt werden, dass die Ethanolfraktion eine wichtige Rolle bezüglich der natürlichen Dauerhaftigkeit spielt. Darüber hinaus wird über die erstmalige Isolierung von Cativinsäure aus Eperua falcata Holz berichtet.

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Copyright information

© Springer-Verlag 2006

Authors and Affiliations

  • Nadine Amusant
    • 1
    Email author
  • Christian Moretti
    • 2
  • Bernard Richard
    • 3
  • Elise Prost
    • 3
  • Jean Marc Nuzillard
    • 3
  • Marie France Thévenon
    • 1
  1. 1.Montpellier Cedex 5France
  2. 2.IRD, Unité S 84CayenneFrance
  3. 3.Laboratoire de PharmacognosieUMR 6013, CPCBAI Bât. 18Reims Cedex 2France

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