FIELD: chemistry.
SUBSTANCE: invention relates to biotechnology. The method of obtaining a bifidogenic factor includes the separation of deoxyribonucleic acid from a biomass of bifidobacteria by triple processing with ultrasound with a frequency of 40 kHz for 30 minutes with the further chromatography of combined supernatants on sepharose Sepharose CL-4B. The spectrophotometric characteristic of the purity of separated DNA constitutes 1.88.
EFFECT: method provides obtaining a highly pure DNA sample from the biomass of bifidobacteria.
2 dwg, 2 tbl, 2 ex
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Number |
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