FIELD: medicine.
SUBSTANCE: what is offered is a method for producing high-polymer yeast RNA of used beer yeast. Used beer yeast concentrated by centrifugation is suspended in an aqueous solution of oleic acid titrated by alkali to pH 7-8. The suspension is kept at 98-102°C for 40-60 minutes. The hot lysate is settled for 20-24 h at room temperature. A supernatant is poured out with using a siphon. Then NaCl is added to the poured out liquid to the concentration 2-3 M. The suspension is kept for 20-96 h at room temperature. Then it is centrifuged without cooling in a low-speed centrifuge. The prepared cakes are consistently washed out in the NaCl solution 2-3 M and 92-96% ethanol by resuspension at room temperature and low-speed centrifugation.
EFFECT: invention promotes spread-out of the raw-material base and simplification of the high-polymer RNA technology.
1 ex
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