| 摘要 |
A novel antibiotic, A 42867, is prepared by cultivating the strain Nocardia sp. ATCC 53492, or an antibiotic A 42867-producing mutant or variant thereof, under submerged aerobic conditions in the presence of assimilable sources of carbon, nitrogen and inorganic salts. The antibiotic and its addition salts are useful in the treatment of infectious diseases and as growth promotant agents. |
| 申请人 |
GRUPPO LEPETIT S.P.A., MAILAND/MILANO, IT |
发明人 |
RIVA, ERNESTO, I-20122 MILANO, IT;SELVA, ENRICO, I-27027 GROPELLO CAIROLI (PAVIA), IT;DENARO, MAURIZIO, I-20136 MILANO, IT;CASSANI, GIOVANNI, I-27100 PAVIA, IT;PARENTI, FRANCESCO, I-20020 LAINATE (MILANO), IT |
