enzyme is added to break up the large structures into cellulose and hemicellulose. After 6 hours of stirring at 50 C, glucose syrup is obtained.The syrup is neutralized and filtered with the solid fraction used as fuel and fertilizer.The syrup can be used as sweetener or as raw material for ethanol production.In the latter case, it is conditioned for fermentation by adding minerals and proteins such as K2HPO4.