With the amount of 2-BE increasing, the enzyme activity had the trend to ascend. It attained maximum when the amount of 2-BE was equal to 50-60mmol/L.

• 随着巯基乙醇加入量的增大,酶活性呈现上升的趋势,当巯基乙醇加入量达到50mmol/L,酶活性达到最大值。