The invention refers to biotechnology, in particular to microbiology and may be used for carotenoid obtaining.Summary of the invention consists in that the proposed process for cultivation of green alga Haematococcus pluvialis Flotow includes inoculation of the two-week old green aplanospores from the moment of their transformation from green flagellate cells into green aplanospores on mineral nutrient medium, containing (mg/L):The alga is cultivated on the given nutrient medium during 7 days with a light intensity of 1500…2000x, pH of 6,8…7,2 and a temperature of 25…27°C.The result of the invention consist in reducing the time for alga cultivation and in increasing the carotenoid productivity.
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