FIELD: microbiology, technology. SUBSTANCE: natural strain 365 of Antarctic black yeast Nadsoniella nigra var. hesuelica is proposed as a producer of melanin-containing biologically active addition. Indicated strain produces a broad spectrum of biological macrobiotic activity. Antiradical effect of addition stops degradative action of labile free radicals. Addition is used for foodstuffs, cosmetics and drugs. Addition is toxicless and exhibits small-dispersed black crystalline powder showing flickering luster and its an aqueous solution. EFFECT: yeast strain indicated above. 2 cl, 6 ex
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