METHOD OF PRODUCING SALINOMYCIN TYPE ANTIBIOTICS AND NEW SALINOMYCIN TYPE ANTIBIOTICS

摘要

Polyether type antibiotics, such as salinomycin, 4-methyl- salinomycin and compounds designated by SY-1 up to SY-8, and their production by polyether-type antibiotic-producing micro-organisms belonging to, a.o., Streptomyces albus Waxman & Heinrich Nr.80614 (FERM-P Nr.419) in a medium containing a fatty acid or its precursor, and, optionally, ammonia or an ammonium salt or urea.