FIELD: pharmaceuticals.
SUBSTANCE: method for producing melanin involves the preparation of an aqueous extract of the fungus, to which was added an aqueous solution of polyvinylpyrrolidone, acidification with hydrochloric acid solution, the resulting precipitate was separated melanin and its drying is carried out under certain conditions.
EFFECT: proposed method allows to increase the yield of melanin, its solubility and reduce therein the amount of ash content.
1 cl, 1 tbl, 6 ex
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