... Boil the raw material with medium temperature, then cool down to 58-60.Add glucoamylase, recommended dosage is 80 ... . Keep the temperature for 30-60 mins, then cool down to 30 to ferment. 2). Starch Industry: Liquify ... adjust the PH value to 4.2-4.5, cool down to 5860, Add glucoamylase, recom mended dosage is ... MSG and antibiotics industry, liquefy the starch and cool down to 60, adjust PH value to 4.2 ...