Procedure for producing New antibiotic substances called teicomicina teicomicina A1 and A2

摘要

This invention relates to a novel antibiotic mixture and to the process for its production. This antibiotic mixture comprises a family of new antibiotic substances which may be separated and isolated as individual components. These antibiotic substances are referred to herein as antibiotic 8327 factor A, antibiotic 8327 factor B and antibiotic 8327 factor C. Antibiotic 8327 factor A is in turn a mixture of three fractions which will be referred to herein as teichomycin A1, teichomycin A2 and teichomycin A3. The novel antibiotic mixture is obtained by cultivation of strain Actinoplanes teichomyceticus nov. sp. ATCC 31121.