13.1 Hydrolytic enzymes Examples of enzyme costs in production of some products Application Enzyme Unit for cost Enzyme cost (US cents) Detergent Protease 1kg detergent 2-4 Starch 1kg starch liquefaction c-amylase 0.2-0.5 saccharification Glucoamylase 0.4-0.8 isomerisation Glucose isomerase 1.0-1.5 Cheese Rennin 1L milk 0.1 Ethanol from starch 1L ethanol a-amylase 0.2-0.5 Glucoamylase 0.7-1.4 Brewing c-amylase ILbeer 0.1 Juice production Pectinase ILjuice 0.1-0.2 Hide dehairing Protease 1m2hide 1-5 13.1 Hydrolytic enzymes