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. 2018 Apr 23;11:118. doi: 10.1186/s13068-018-1118-8

Table 2.

Enzyme concentrations and activities

Enzymes Cellic Ctec2 Cellic Htec2
Protein concentration (mg/mL) 182 198
Cellulase activity (FPU/mL)a 77 11
Xylanase activity (IU/mL)b 160 81

aFPU stands for filter paper units. One FPU of enzyme is defined as the amount of enzyme catalyzing the release of 1 μmol of glucose equivalent per min

bOne IU of xylanase is defined as the amount of enzyme catalyzing the release of 1 μmol of xylose equivalent per min