FIELD: biotechnology, microbiology. SUBSTANCE: invention relates to the method of producing selenium-containing spirulina at the content of organic (bioavailable) selenium 6.15-6.5 g/kg. In the process of spirulina culturing selenium inorganic salt is added by two portions: the first portion - at the last quarter of logarithmic phase growth and the second portion - at the stationary phase growth. Method ensures to increase the content of bioavailable selenium, decrease time of technological process carrying out and amount of selenium salt added. Obtained product can be used in food and microbiological industries. EFFECT: improved method of producing, increased content of bioavailable selenium. 7 ex
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