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Synthesis and Purification of Cefaclor with Immobilized Enzyme
Author(s): 
Pages: 549-553
Year: Issue:  4
Journal: Journal of East China University of Science and Technology(Natural Science Edition)

Abstract: 应用来源于粪产碱杆菌的青霉素G酰化酶催化合成头孢克洛,并对生物转化反应过程进行了研究.在反应条件:pH 7.0、25℃、磷酸钠缓冲体系、加酶量3 U/mL和底物浓度60 mmol/L时,转化率达到85%,表明粪产碱杆菌青霉素G酰化酶具有较高的催化活力.研究了新型分离纯化方法,经过树脂分离的产物纯度超过95%,主要杂质含量小于0.5%,可以达到药典要求,为生物法合成头孢抗生素走向产业化奠定了基础.
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