Korea Institute of Science and Technology

Cheil Foods & Chemicals, Inc.

Chang S Yon

Chul Hwan Lee

Yoong H Lim

Yeong S Lee

Ick D Yoo

Yong W Lee

Young Woo Lee

Jung Woo Suh

Jun W Suh

Jung W Sush

A Legionella specific antibiotic AL072 is disclosed. In addition the antibiotic is produced by the microorganism Streptomyces sp. AL91 KCCM 10055. Further, the antibiotic compound has a specified formula. The formula is ##STR1##

Legionella specific antibiotic produced by Streptomyces sp AL91 access

A Legionella specific antibiotic AL072, a Streptomyces sp. AL91 producing the antibiotic, and a process for producing the antibiotic are disclosed. Further, the antibiotic compound has a specified formula. The formula is ##STR1## In addition the process also includes extraction of a culture broth provided by cultivating the microorganism Streptomyces sp. AL91, accession number KCCM 10055, with isopropyl alcohol and ethyl acetate to obtain an extract containing the antibiotic compound. The compound is then isolated from the extract by chromatography on a column filled with octadecyl silica gel and also by high pressure liquid chromatography.

A process for producing legionella specific antibiotic using

A Legionella specific antibiotic AL072 is disclosed. In addition the antibiotic is produced by the microorganism Streptomyces sp. AL91KCCM 10055. Further, the antibiotic compound has a specified formula. ##STR1##

Legionella specific antibiotic

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Seoul, South Korea

Chang S Yon