Abstract
Synthetic media for streptomycin fermentation were studied to determine which media gave highest yields of streptomycin. The effect of salts on streptomycin production by Streptomyces griseus was examined, and a suitable combination of salts was established in a glucose-casein medium. This medium yielded 3,000 μg/ml of the antibiotic with an inoculum of 1.6%. Substitution of amino acids for casein was examined. Of 17 amino acids tested, best results were obtaind with sodium aspartate. Substitution of ammonium salts was tried, and an excellent streptomycin yield was obtained with a medium containing ammonium citrate.
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Selected References
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