Polymyxin B

1. Production introduction

　　Polymyxin B is similar to polymyxin E in its antimicrobial spectrum and clinical application, with inhibitory or bactericidal effects on gram-negative bacilli such as Escherichia coli, Pseudomonas aeruginosa, Escherichia paracolonica, Klebsiella pneumoniae, S. acidophilus, B. pertussis, and B. dysenteriae.

2. Technology parameter

　　Final titre: 2.0-3.0g/L; 
　　Fermentation time: 40-50hrs; 
　　recovery yield: 50%