Lignocellulose is the major component of plant cell wall which can be degraded by natural degraders such as Bacteria and Fungi. Lignin being amorphous in nature lacks stereo regularity. Despite of its resistant nature it has been reported to be degraded by Laccase, Lignin peroxidase and Manganese Peroxidase secreted by Bacteria and Fungi. It protects cellulose and Hemicellulose from enzymatic hydrolysis. Thus it is important to degrade lignin so that cellulose and hemicellulose are made available for degradation. Lignin is the only substance which can be completely degraded into water and Carbon dioxide by microbes. Thus microorganisms have the capacity to cycle lignin to humus. The enzymatic activity of the fungi (Aspergillus niger) as obtained was noted to be higher than the growth rate indicating that the isolated fungi have a great biotechnological potential. The fungi have high conversion rate and high de-polymerization efficiency.
