Figure 1

Concentrations of glucose (circles), xylose (squares), and ethanol (triangles) during fermentation in Config. 1 _G with 5 g/L yeast. Glucose solution was fed to the fermentor for 96 h between (I) and (II) at a constant flow rate of 2.1 mL/h. (T: 32°C, pH 5, 300 rpm).