Figure 1

Statistical analysis of SCAA-SB showing the perspective plots fitted between process variables (a) Pretreatment time (h) and temperature (°C) (b) Ammonium hydroxide concentration (% v/v) and temperature (°C) (c) Ammonium hydroxide concentration (% v/v) and pretreatment time (h) (d) Effect of individual variables and their interaction on total reducing sugars recovery (g/l).