FIELD: chemistry.
SUBSTANCE: described is an amphiphilic high-polymer yeast RNA which stimulates a leukocytic reaction and a primary humoral immune response. The preparation is obtained from yeast Saccharomyces cerevisiae via extraction with boiling water containing oleic acid titrated with NaOH for 40 minutes at temperature 99-102°C, adding boiling water during evaporation to 0.3 l and NaOH 10, 20 and 30 minutes after the beginning of extraction.
EFFECT: disclosed preparation stimulates leukocytic reaction and a primary humoral immune response.
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