TY JOUR TI The phytochemical composition of Kuzbass medicinal plants KW Flavonoids KW medicinal plants KW spectrophotometry KW chromatography KW HPLC KW extraction KW plant extracts JO Foods and Raw Materials AU Velichkovich, N.S. AU Dunchenko, N.I. AU Stepanova, A.A. AU Kozlova, O.V. AU Faskhutdinova, E.R. AU Yustratov, V.P. AU Luzyanin, S.L. PY 2025 IS 13 PB Kemerovo State University