Cellulase (English: cellulase) is a type of enzyme that plays a biocatalytic role in the decomposition of cellulose. Are proteins that break cellulose down into oligosaccharides or monosaccharides.
Cellulase is widely found in natural organisms. Cellulase can be produced by bacteria, fungi and animals. Cellulases commonly used in production come from fungi, typically from the genera Trichoderma, Aspergillus, and Penicillium..