The results showed that under the chromatographic conditions chosen, 67.7% recovery of BLC attained with an overall 4.7 fold increase in specific activity in a single step.

• 在选定的色谱条件下，BLC粗酶液经IDA型Cu2＋－螯合膜色谱柱一步纯化，比活性平均提高4.；7倍，回收率为67