Fig. 3From: Enhancing enzymatic digestibility of waste wheat straw by presoaking to reduce the ash-influencing effect on autohydrolysisEffect of different concentrations of Fe2+ presoaking on the accessibility or hydrophobicity of autohydrolyzed WWS (a), and the respective relationship between accessibility or hydrophobicity with digestibility of autohydrolyzed WWS during enzymatic hydrolysis (b)Back to article page