PRODUCTION OF AGENT FOR PLANT TREATMENT Russian patent published in 2005 - IPC

FIELD: method for production of agents for biological plant protection.

SUBSTANCE: claimed method includes sequential extraction of biomass of Pythium catenulatum micromycete with non-polar solvent, water, alkali, water, acid, water, alkali, and water and combining the fist extract with solid residue. As non-polar extractant liquefied gas is used, and at least in the first extraction step pressure in extraction mixture is periodically decompressed to value, providing extractant boiling, and built up again to initial pressure.

EFFECT: decreased energy consumption.