METHOD FOR OBTAINING OF BIRCH EXTRACT AND TAR WATER USING BIRCH EXTRACT Russian patent published in 2017 - IPC A61K36/185 B01D11/02 

FIELD: pharmacology.

SUBSTANCE: method for obtaining of birch extract, including collection of raw material, raw material placement in a sealed container, raw material soaking without oxygen at a temperature of 80-160°C over 5 days, during soaking, the temperature is maintained within 80-90°C for two days, in the remaining three days, the temperature is gradually increased to 160°C, with subsequent collection of vapour condensed in the tank. The raw material for birch extract obtaining are: selected birch bark, bark of dead, dry and fallen birches, birch fungus and birch shelf fungus, at a certain ratio of components. Method for tar water obtaining, including mixing of ingredients, composition infusion for 3-7 days with periodic stirring and subsequent drainage of 12% of the upper part of the settled composition into waste. As the ingredients, birch extract obtained in the manner described above is used, birch tar and water preheated to 40°C, at a certain ratio of components.

EFFECT: products have a pronounced anti-inflammatory and immunostimulating effect.

2 cl