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Table 4 Xylanase and cellulase production by Bacillus aestuarii UE25 using extracted xylan

From: Combined pretreatment of sugarcane bagasse using alkali and ionic liquid to increase hemicellulose content and xylanase production

Substratea Enzyme productivity (IU mL−1)a
After 24 h After 48 h
Xylanase Endoglucanase ß-glucosidase Filterpaperase Xylanase Endoglucanase ß-glucosidase Filterpaperase
Extracted xylan from UTB 25.16 ± 0.02 36.06 ± 0.12 35.8 ± 0.04 5.47 ± 0.01 17.59 ± 0.05 18.71 ± 0.12 26.13 ± 0.04 9.86 ± 0.01
Extracted xylan from NaOH+IL TB 16.19 ± 0.04 22.67 ± 0.10 24.57 ± 0.06 6.52 ± 0.00 12.32 ± 0.04 23.12 ± 0.10 23.32 ± 0.02 7.00 ± 0.00
NaOH+IL TB 8.44 ± 0.16 32.92 ± 0.13 23.52 ± 0.02 7.92 ± 0.02 28.51 ± 0.06 67.42 ± 0.13 61.15 ± 0.06 6.04 ± 0.00
UTB 15.6 ± 0.49 12.34 ± 0.11 14.3 ± 0.01 7 ± 0.00 4.38 ± 0.00 22.14 ± 0.11 12.34 ± 0.01 2.23 ± .01
Xylan 20.24 ± 0.01 21.95 ± 0.31 34.49 ± 0.25 8.49 ± 0.01 13.02 ± 0.01 22.63 ± 0.31 18.91 ± 0.03 7.77 ± 0.03
CMC 14.78 ± 0.03 12.15 ± 0.05 30.57 ± 0.12 9.86 ± 0.03 15.66 ± 0.02 32.53 ± 0.03 35.67 ± 0.1 9.19 ± 0.02
  1. aXylan was extracted from untreated sugarcane bagasse (UTB) and alkali and ionic liquid pretreated (NaOH+IL TB)
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