FIELD: dyeing cotton and woolen cloth. SUBSTANCE: strain of Hypomyces rosellus is cultivated in liquid synthetic medium which contains sources of carbon, nitrogen and microelements. Then micelium is separated of culture liquid and is destructed. Desired product is isolated by extraction with organic solvent and by multiple reprecipitation with the help of ethyl ether. If it is necessary dye is separated by chromatographic method and crystallized. Yield of desired product is 12% of micelium mass. EFFECT: increases yield of desired product, decreases cultivation time.
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