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CERBERUS
Multipurpose exploitation of European forest resources: From wood and bark to bioactive compounds

The general aim of this project is to assess and develop the exploitation of wood extractives from industrial waste materials to produce purified bioactive compounds, promoting multi-purpose applications.
From this study, it is expected to define the identity and amounts of the major components in knotwood and bark, and the most valuable extraction procedures for the exploitation of wood wastes.
As a result of these studies, a selection of wood tree species presenting the most promising wood extractives in term of chemical structure and bioactivity potential will be obtained. These achievements are of fundamental importance in the early stages of the project to set up the parameters for a large scale separation of knots and extraction/purification of extractives, and more relevant bioactivity testings.

Objectives
The scientific and technological objectives of the project are:
1) To elucidate the chemical structure and amounts of wood extractives in knotwood and barks based on an analytical scheme of organic and aqueous extraction.
2) To evaluate the bioactivity of the wood extractive components as microbicide and slimicides, preservative agents and health promoting compounds
3) To develop a physicochemical treatment at a pilot scale of wood wastes to promote the exploitation of the bioactive compounds from wood extractives

Progress to Date
During the first half of the project, an entire protocol of wood, knotwood and barks preparation and extraction was established for chemical analysis and for bio-screening of crude extracts.
Several analytical tools were used to identify and quantify the numerous types of molecules constituting crude extracts.
Rapid methods of bio-screening were developed and validated by a quality control program to ensure valuable results. The effects of crude extracts as bactericide and fungicide, anti-oxidant and dispersing agents have been established for bark extractives and partly for wood extractives.
A list of the most promising wood species, wood parts and type of extracts has been compiled with respect to the bioactivity.

Classified in FORESTRY, NON-FOOD PRODUCTS

Scientist responsible for the project

Mr GILLES LENON
Domaine Universitaire Box 251
38044 Grenoble CEDEX 9
France - FR

Phone: +33 4 76 15 40 15
Fax: +33 4 76 15 40 16
E-mail: Gilles.Lenon@webctp.com

References

Project ID QLRT-2001-01027
Organisation Centre Technique du Papier
Area 5.3.2
Start date 01 January 2003
Duration (months) 36
Total cost 1 226 550 €
Total EC contribution   887 055 €
Status Ongoing
Web address of the project   http://www.webctp.com/ctp/fr/environnement/projets_objectifs.cfm?projet=cerberus

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