International Journal For Multidisciplinary Research

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Volume 8 Issue 3
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Utilization of Lignocellulosic Waste Hydrolysates as a Low-Cost Carbon Source for Cellulase-Poor Xylanase Production by Fusarium oxysporum under Submerged Fermentation

Author(s) Dr. Boddireddy Sridevi
Country India
Abstract Xylanases are industrially important enzymes extensively used in pulp processing, food technology, feed improvement, and biofuel production. Commercial production of these enzymes is often constrained by the high cost of purified xylan used as a carbon source. The present investigation evaluates the potential of hemicellulose-rich hydrolysates derived from agricultural residues as economical substitutes for pure xylan in submerged fermentation by Fusarium oxysporum. Sixteen locally available lignocellulosic wastes uch as banana peel, corn cobs, cotton shells, green gram husk, ground nut shells, jowar stalks, maize stalks, oat meal, orange peel, paddy husk, paddy straw, pomegranate peel, sugar cane pulp, wheat bran, wheat straw and wood husk were chosen as substrates for xylanase production in submerged fermentation (SmF) because of their abundance in the local area as agricultural wastes. Among them, maize stalk hydrolysate produced the highest enzyme activity (420 U/mL), closely approaching the yield obtained with purified xylan (440 U/mL). Corn cob and wheat bran hydrolysates also supported significant enzyme production. Only trace cellulase activity (0.06–0.76 U/mL) was detected, indicating the production of cellulase-poor xylanase suitable for pulp bleaching. These findings highlight the feasibility of transforming agricultural residues into value-added bioproducts while lowering production costs and supporting sustainable waste management strategies.
Keywords Xylanases, Xylan, Hemicellulose-rich hydrolysate, lignocellulosic wastes, cellulases
Field Biology > Agriculture / Botany
Published In Volume 8, Issue 3, May-June 2026
Published On 2026-05-20
DOI https://doi.org/10.36948/ijfmr.2026.v08i03.79077
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