METHOD FOR PREPARING OF GRAIN BEFORE LAYING FOR STORAGE Russian patent published in 2004 - IPC

FIELD: agriculture, in particular, treatment of grain with the use of organic preservatives. SUBSTANCE: method involves treating grain in microwave electromagnetic field with the use of propionic acid comprising additive of chitosan. Source of chitosan is preparation produced by sequential extracting of Mortierella hygrophila micromycet biomass with the use of non-polar extractant in above-critical state, water, alkaline, water, acid, water, alkaline, and water, with following joining of first extract with solid residue. EFFECT: reliable grain storage method. 2 ex