A-21978 Antibiotics and process for their production

Antibiotic A-21978 complexes, in particular the A-21978C complex, comprising microbiologically active, related factors, C0, C1, C2, C3, C4, and C5. A-21978 complex and A-21978C complex are produced by submerged aerobic fermentation of Streptomyces roseosporus NRRL 11379. The individual A-29178C fact...

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Bibliographische Detailangaben
Hauptverfasser:	HAMILL, ROBERT L, HOEHN, MARVIN M
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PEPTIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	Antibiotic A-21978 complexes, in particular the A-21978C complex, comprising microbiologically active, related factors, C0, C1, C2, C3, C4, and C5. A-21978 complex and A-21978C complex are produced by submerged aerobic fermentation of Streptomyces roseosporus NRRL 11379. The individual A-29178C factors are separated and isolated by chromatography. The A-21978 and A-21978C complexes, the A-21978C factors, and pharmaceutically acceptable salts thereof are antibacterial agents and improve growth promotion in poultry.