ANTIMICROBIAL AGENT BASED ON LICHEN OF CLOVER SPECIES OF CLADONIA RANGIFERINA AND METHOD FOR PRODUCTION THEREOF Russian patent published in 2020 - IPC A61K36/09 B01D11/02 A61P31/04 

FIELD: medicine; pharmaceuticals.

SUBSTANCE: invention refers to pharmaceutical industry, namely an antimicrobial agent. Method of producing an antimicrobial agent from lichen of Cladonia genus, involving extraction of starting material, wherein raw material used is lichen of quadrangium Cladonia rangiferina, raw milled raw material extraction is carried out with water with addition of sodium bicarbonate while heating to 90 °C, stirring at said temperature for 1 hour with subsequent cooling, concentration and freezing obtained solution with lyophilization at residual pressure of not higher than 1 mbar until dry product with residual moisture content of not more than 5 % is obtained. Antimicrobial agent representing a water-soluble extraction of Cladonia rangiferina genus from lichen, containing not less than 10 % of usnic acid.

EFFECT: agent prepared by the method described above possesses pronounced antimicrobial action, reduced toxicity.

2 cl, 1 dwg, 3 tbl, 4 ex