| abstract |
A method for the production of hydroxymatairesinol or a hydroxymatairesinol complex from wood, including the steps of a) extracting finely divided wood material with a polar solvent, b) optionally concentrating the extract by separating at least part of the solvent, c) adding to the extract an agent able to form a complex with hydroxymatairesinol, d) precipitating the hydroxymatairesinol complex, and optionally e) releasing the hydroxymatairesinol from the complex. |