TY JOUR TI GROWING CONDITIONS EFFECT ON THE TANNIC SUBSTANCES CONTENT IN THE SANGUISORBA OFFICINALIS L. ABOVE-GROUND AND UNDERGROUND ORGANS KW tannins KW quantitative determination KW Sanguisorba officinalis L. KW medicinal plant raw materials KW habitats KW Kemerovo Region − Kuzbass JO Bulletin of Nizhnevartovsk State University AU Egorova, I.. AU Egorova, N.. AU Maltseva, E.. PY 2026 IS 0 PB Nizhnevartovsk State University