xanthomycin

xanthomycin

[‚zan·thə′mīs·ən]
(microbiology)
An antibiotic produced by a strain of Streptomyces and composed of two varieties, A and B; active in low concentrations against a number of gram-positive microorganisms.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.