TY CONF TI SELECTION OF PARAMETERS FOR OBTAINING EXTRACTS OF VALERIANA OFFICINALIS WITH ANTIOXIDANT PROPERIESS KW common valerian KW antioxidant activity KW biologically active substances KW extraction KW Valeriana officinalis L. JO I International Congress “The Latest Achievements of Medicine, Healthcare, and Health-Saving Technologies” AU Larina, V.. AU Babich, O.O. AU Voronova, S.S. AU Chupakhin, E.G. PY 2023 PB Kemerovo State University