Antibiotic SF-1623 substance and the production thereof

Details Antibiotic SF-1623 substance and the production thereof Antibiotic SF-1623 substance and the production thereof

1976-07-08

1978-02-28

Tanenholtz, Alvin E.

Textiles: fiber preparation

195 80R, C12D 914

Patent

active

040765881

ABSTRACT:
A new antibiotic designated as SF-1623 substance exhibiting a useful antibacterial activity against gram-negative bacteria is now produced by cultivating a new strain ATCC 21999 of the known species Streptomyces chartreusis. The SF-1623 substance in the form of its an alkali metal salt may be recovered from the culture when the cultivation is effected under aerobic conditions in the presence of an alkali metal thiosulfate.

REFERENCES:
patent: 3219663 (1965-11-01), Demain
patent: 3914157 (1975-10-01), Stapley et al.

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