%0 Journal Article %T OPTIMIZATION OF BIOACTIVE SUBSTANCES OBTAINING IN AQUEOUS ALCOHOL EXTRACTS OF ASPEN BARK %A Soboleva, S.V. %A Chentsova, L.I. %A Pochekutov, I.S. %K aspen bark, biologically active substances, extraction, aqueous-alcoholic extracts, extractive substances, experiment planning matrix %J Bulletin of KSAU %D 2012 %N %P 3 %I Krasnoyarsk State Agrarian University