9.Time of saccharification was reduced from 10 hours to 4. 3 hours when β-amylase was used in first saccharification for 4 hours after amylum emultion were liquefied and glucose amylum added(15U/g amylum) in second saccharification for 20 minutes to prepare high maltese syrup. This technology was important to industry of high maltose syrup, because it was increase the atilizatioratio of equipments.
10.Daqu, a microbial product containing multiple enzymes and bacterial species, its aroma-producing substances mainly come from proteins and fat of daqu-making materials and the degradation of amylum and those substances are composed of amino acids, fatty acid, polyose and its polymers etc.