Tyrocidine

Name:
Tyrocidine
Detailed information:
Antibiotic produced by the metabolic processes of the bacteria Bacillus brevis. It is a cyclic polypeptide that is active against most Gram-positive pathogenic bacteria. It is one of the two antibiotic components of tyrothricin but has been isolated and used alone.

Properties:

(Probably the hydrochloride) Fine, crystalline needles that decompose at 240C; soluble in 95% alcohol, acetic acid, and pyridine; slightly soluble in water, acetone, and absolute alcohol; insoluble in ether, chloroform, and hydrocarbons; depresses surface tension; forms fairly stable colloidal emulsion in distilled water.

Use:

Medicine (usually as component of tyrothricin), possible fungistat and bacteriostat.