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Author:
Deepak Pant, Alok Adholeya -
Abstract:
Extracellular ligninolytic enzymes secreted by seven different fungi grown under solid-state fermentation using agro-residue as substrate were extracted through successive extractions.
In general, most of the enzymes were recovered during first and second extractions. These extractants were then subjected to ultrafiltration using a 10 kDa membrane for further concentration. The permeates collected after every filtration and the final retentate were analyzed for protein and enzymes. In all the isolates, enzyme concentration was maximum in first retentate, which reduced significantly in second, third, and fourth retentate. Maximum per unit laccase (14.44 U g−1) and MnP production (142.2 U g−1) was observed in Fusarium verticillioides TERIDB16 while maximum LiP production (137.42 U g−1) was in Alternaria gaisen TERIDB6. The retentate was further used for checking its decolorization efficiency of undiluted distillery effluent.
The maximum decolorization (37%) was obtained using the enzyme extract of Pleurotus florida EM1303.
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Journal:
World Journal of Microbiology and Biotechnology -
Publisher:
Springer Netherlands -
Volume (Issue):
25 (10) -
Page:
1793-1800 -
Sector:
Sustainability -
Publication Type:
Research Article
Fungal ligninolytic enzymes Ultrafiltration Distillery effluent Agro-residue