Method: Acetylspiramycin titer was determined by suitable glucose were added into the special culture medium of midecamycin.
方法：以麦迪（白）霉素专用培养基中加入适量葡萄糖进行效价测定。
2
Results the influence of assist materials was eliminated. The result was consistent with that of the determination method for microorganism titer stipulated by national standard.
结果该法可消除辅料的影响，并与国家标准规定的微生物效价测定法的结果基本一致。
3
Methods Turbidimetric method was used to determine the titer of gentamycin sulfate granules and the findings were compared with those detected by diffusion method.