Choline oxidase(BR，≥10 units/mg solid)

Stabilizers : EDTA, bovine serum albumin, amino acids (glycine, sodium glutamate, etc.) | Isoelectric point : 4.1±0.1 | Structure : One mol of FAD is covalently bound to mol of the enzyme8） | Inhibitors : p-Chloromercuribenzoate, Cu离子, Co离子, Hg离子, Ag离子 | Optimum pH : 8.0－8.5 | Optimum temperature : 40~45℃ | pH Stability : pH 7.0~9.0 (30℃, 2 hr) | Thermal stability : below 37℃ (pH 7.5, 10min) | One unit causes the formation of one micromole of hydrogen peroxide (half a micromole of quinoneimine dye) per minute under the conditions described below.