Purification and identification of Streptomyces aureofaciens lD13 antibiotic
1985
Summary Complete extraction of S. aureofaciens lD 13 antibiotic was achieved by adding n-butanol to the clarified culture filtrate (v/2v) at p H 8.0. Using the column chromatography technique, 85.7% of the initial amount of the antibiotic was obtained in a purified form. Data of the R f values of the antibiotic in different organic solvents revealed that it belongs to the tetracycline group. The antibiotic was chromatographically analyzed, using the thin-layer technique. UV and IR spectra, optical rotation, melting point as well as 15 colour reactions were also determined.
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