Alkali Extraction 1 Alkali extraction 1 Alkaline extraction 1 Amorphous Materials 1 Amorphous cellulose 1 Bioconversion 1 Cellulose 1 Cellulose and hemicellulose 1 Crystallinity 1 Efficiency 1 Enzymatic hydrolysis 1 Enzymolysis 1 Extraction 1 Fermentable sugars 1 Hemicelluloses structure Hemicellulosic fractions 1 Lolium 1 Natural resistance 1 Physicochemical properties 1 Ryegrass 1 Structural feature 1 cellulose 1 enzyme activity 1 grass 1 hydrolysis 1 physicochemical property 1 physiological response 1 sequential extraction 1