FIELD: biotechnology.
SUBSTANCE: group of inventions relates to biotechnology. Invention discloses fermentation medium and method for producing pravastatin. One performs incubation microorganisms Streptomyces sp. in fermentative medium containing soya bean flour, dextrose monohydrate, cotton flour, maize syrup, NaCl, antifoaming agent SAG, and water and urea or its derivative in concentration of 0.5 g/l to 3 g/l. Then compactin solution is added. Urea derivative is selected from a group comprising dimethyl urea, dimethyl urea, N-acetyl phenyl urea, isopropyl piliden urea, phenyl urea or their combinations.
EFFECT: invention increases level of compactin bioconversion into Pravastatin and reducing production time.
4 cl, 27 dwg, 16 ex
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Authors
Dates
2016-08-27—Published
2009-02-05—Filed