僅用于工業應用或科學研究，不可用于人類或動物的臨床診斷或治療，非藥用.Colistin sulfate （Belcomycin; Polymixin E）, originally isolated from B. polymyxa, is a polypeptide antibiotic and apoptosis inducer, also acts as a NADH quinone oxidoreductase inhibitor.It inhibits gram-negative bacteria by binding to lipopolysaccharides and phospholipids in the outer cell membrane of gram-negative bacteria.