METHOD OF PREPARING IMMUNOTROPIC ANTIVARAL DRUG Russian patent published in 2001 - IPC

FIELD: pharmaceutical industry. SUBSTANCE: defatted soft roe of sturgeon fish or salmon fish, or calf thymus, or chicken blood, or porcine spleen are homogenized, incubated in presence of detergent and sodium chloride solution, and then treated by ultrasound, sorbent, and detergent. Resulting material is filtered and concentrated to precipitate DNA-Na, which is dried into powder and dissolved in transition metal aqueous solution to give 1.5% DNA solution with hyperchromic effect at least 10%. EFFECT: ensured antiviral activity against RNA- and DNA-containing viruses. 4 cl, 4 tbl, 6 ex