Transcription of SPEZYME ALPHA - DuPont
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SPEZYME ALPHA - DuPont
SPEZYME ALPHAA lpha- amylase for Dry Grind Ethanol ProductionDESCRIPTIONSPEZYME ALPHA enzyme contains a thermostable starch hydrolyzing - amylase that is produced by a genetically modified strain of Bacillus licheniformis. The endo- amylase in SPEZYME ALPHA enzyme hydrolyzes -1,4-glucosidic bonds to quickly reduce the viscosity of gelatinized starch, producing soluble dextrins and oligosaccharides under a variety of process CHARACTERISTICSA ctivity: 13,775 AAU/g (minimum)Appearance: Clear brown liquidpH: gravity: - DEFINITIONThe activity of SPEZYME ALPHA is expressed in ALPHA amylase Units (AAU). Enzyme activity is determined by the rate of starch hydrolysis as reflected in the rate of decrease in iodine-staining capacity. One AAU of bacterial - amylase activity is the amount of enzyme required to hydrolyze 10 mg of starch per minute under specified conditions. A detailed assay method is available upon BENEFITSSPEZYME ALPHA enzyme provides the following benefits to ethanol producers: Quick viscosity reduction allowing for higher solids Liquefaction pH s as low as Process flexibility Improved performance at low slurry temperaturesAPPLICATION RECOMMENDATIONSSPEZYME ALPHA enzyme is suitable for use in a variety of liquefaction process OPERATIONAL CONDITIONSS olids 30 to 36%Optimal pH to Range to Temperature83 to 85
SPEZYME® ALPHA Alpha-Amylase for Dry Grind Ethanol Production DESCRIPTION SPEZYME® ALPHA enzyme contains a thermostable starch hydrolyzing α-amylase that is produced by a genetically
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