The base material for the production of mushrooms is a special substrate made from fresh organic resources in a manufacturing process lasting five weeks. During this process, the base materials are first blended and watered to activate primary decomposition processes. By means of pasteurisation, the microbiologically broken-down and homogenised substrate is disinfected to kill off all extraneous agents. Now, under sterile conditions, the mushroom spawn (wheat grains with mushroom mycelium growing on them) is added, which permeates the sterilised substrate within approx. 15 days.