20th list of substances for food contact materials ‐ Scientific Opinion of the Panel on food contact materials, enzymes, flavourings and processing aids (CEF)

The Primary Product Unismoke is obtained from a specified mixture of oak (Quercus alba) and beech wood (Fagus sylvatica). The production of Unismoke comprises the following steps: (i) preparation of the correct oak/beech ratio and drying, (ii) pyrolysis of the wood mixture in a rotating drum kiln in an inert atmosphere, (iii) cleaning and condensing of the pyrolysis vapours, (iv) separation of tar and conditioning of the supernatant phase to the Primary Product. The applicant has provided essential parameters of the manufacturing process.