Optimization of upstream and downstream process parameters for cellulase-poor-thermo-solvent-stable xylanase production and extraction by Aspergillus tubingensis FDHN1

Bioresources and Bioprocessing

Table 1 Effect of various agro-residues on xylanase production from A. tubingensis FDHN1 under SSF

Agricultural residue ^a	Xylanase activity (U/g)	Protein (mg/g)	Specific activity (U/mg)	Cellulase activity (U/g)
Caster waste	284 ± 10.00	31.40 ± 1.24	9.04 ± 0.36	1.26 ± 0.03
Sugarcane bagasse	459.7 ± 8.21	33.75 ± 1.0	13.62 ± 0.62	1.04 ± 0.02
Wood chips	78.1 ± 3.47	21.22 ± 0.69	3.68 ± 0.15	2.81 ± 0.08
Wheat straw	495.5 ± 6.46	37.5 ± 1.65	13.21 ± 0.31	1.5 ± 0.04
Maize straw	344.1 ± 14.26	32.19 ± 1.11	10.68 ± 0.48	0.73 ± 0.01
Rice straw	453.2 ± 12.36	33.85 ± 0.56	13.38 ± 0.71	2.0 ± 0.1
Sorghum straw	615.5 ± 19.21	32.87 ± 1.41	18.72 ± 0.91	0.6 ± 0.02
Groundnut shell	252.9 ± 8.29	26.84 ± 0.9	9.42 ± 0.33	0.71 ± 0.06
Barley straw	185 ± 4.34	35.23 ± 1.21	5.25 ± 0.21	1.05 ± 0.04

^aSSF was carried out using 5 g of substrate moistened with 5 mL mineral salt medium pH 5.0 at 35°C for 6 days. The data presented are the mean values of three replicates with standard deviations.