Fig. 2
The time course of glucose (filled circles) and ethanol (filled squares) concentrations with the Saccharomyces cerevisiae strains investigated in the present study with spruce hydrolysate containing 5% WIS content and an initial dry cell biomass concentration of 4 g L− 1 using 20 mg enzyme preparation per gsolids at 35 °C and 150 rpm. The data are the means and standard deviation (n = 2)