Novozyme 188 (Novozymes Company, Denmark, Bagsvaerd) – enzyme obtained from Aspergillus niger fungus cultivation, which catalyzes the decomposition of cellobiose into glucose. This preparation is a biocatalyst that supports the effect of the Celluclast 1.5 L enzyme. Optimal conditions: temperature of 25–55 °C and pH of 4.0–5.5.