Keywords L-asparaginase;enzyme release;Escherichia coli;aqueous two-phase system;dipotassium hydrogen phosphate;polyoxyethylene octyl phenyl ether;

• 天门冬酰胺酶;酶释放;大肠杆菌;双水相系统;磷酸氢二钾;聚氧乙烯辛基苯基醚;