Process for the preparation of coniferyl aldehyde

A process for preparing coniferyl aldehyde which comprises:

• combining 0.1 to 20 g/l of culture broth of eugenol with a fungus or its constituents wherein the fungus is selected from the group consisting of Ascomycetes, Fungi imperfecti, and Phycomycetes;
• fermenting the mixture optionally in the presence of a carbon source, and
• separating the coniferyl aldehyde from the fermentation mixture.