SOURCE, Human Saliva
SPECIFICATIONS.3X crystallized. Soluble powder containing 15% sucrose as stabilizer.
Also contains approximately 0.4% salts; Tris and CaCl2. MW =52000 Store 5°C. Stable 9-12 months.1500 - 1800 units per mg of protein.1200 - 1450 units per mg of solid. One unit will liberate 1 µMole of reducing groups equivalent to maltose per minute at pH 6.9 and 25° C. Substrate is soluble starch. Contains less than 0.01% trypsin activity on the substrate BAPNA.