METHOD FOR PREPARING A COMPLEX ANTIBIOSTIC WITH AN EFFICACY AGAINST MICRO-ORGANISMS AND AGAINST TUMORS; METHOD FOR PREPARING A PREPARATION OF SUCH EFFICACY

摘要

New Antibiotic Complex A novel anthracycline antibiotic complex designated herein as figaroic acid complex is produced by fermentation of Streptosporangium sp. strain C-31,751, A.T.C.C. 31129. Figaroic acid complex inhibits the growth of various microorganisms, e.g., Staphylococcus aureus, exhibits phage inducing properties and inhibits the growth of various tumors in rodents, e.g., Sarcoma 180, L-1210 lymphatic leukemia, B-16 melanoma, Walker 256 carcinosarcoma and P-388 lymphatic leukemia.