... scientific methods. Working Mechanism:it is a kind of exo-amylase. It begins at the non-reducing end of the liquefaction ... %) , saccharification stage need to together with pullulanase , the recommended methods : β- Amylase 0.5-1.0L/t dry basis , pullulanase 0.5 ... %) , saccharification stage need to together with pullulanase , the recommended methods : β- Amylase 1.5-2.0L/t dry basis, pullulanase 1.5 ...