A polypeptide antibiotic obtained from a strain of a bacterium(Bacillus subtilis) and used as a topical ointment in the treatment of certain bacterial infections,especially those caused by cocci.

• 枯草杆菌素，一种从菌系（枯草芽孢杆菌属）中获得的多肽抗菌素，在对某种细菌传染病，尤指那些由球菌引起的传染病的治疗中用作局部软膏。