The qualitative composition and the quantitative content of phenolic compounds of corn silk, gathered in the Altai, were studied. 9 flavonoids (including luteolin, orientin and apigenin) and 4 phenolic acids (including caffeic, chlorogenic acids and ether of ferulic acid) were found by a thin-layer chromatography and high performance liquid chromatography methods. Tannins of hydrolyzed group were identified by qualitative reactions. The quantitative content of flavonoids, phenolic acids and

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... ins in a studied kind of raw materials was determined (0,70, 1,96 and 4,52% accordingly).