QUANTITATIVE DETERMINATION OF FLAVONOIDS IN THE GRASS POLYGONUM PERSICARIA
The technique of quantitative determination of flavonoids in the Herba Polygoni persicariae by differential spectrophotometry in terms of routines. Optimal conditions of the experiment. The relative error in determining 1.12%. Content of total flavonoids in the grass Highlander pochechuynogo are within 1.75-1.77%