| 摘要 |
Disclosed is process for extracting fungi-toxic material from wood material of a species of wood which is resistant to fungi-growth. The process comprises providing a first quantity of the wood material, contacting said quantity with an extraction agent in an amount and for a time sufficient to extract essentially all fungi-toxic material in the wood material, separating the agent containing the fungi-toxic material from the wood material, contacting a second quantity of wood material with the separated extraction agent for a time sufficient to extract fungi-toxic material contained in the second quantity of wood material, and separating the extraction agent from the second quantity of wood material.
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