TY JOUR TI Mechanically Activated Extraction of Bioactive Substances from Populus tremula L. Bark: Yield and Functional Properties KW Mechanical activation KW dispersion KW extraction KW aspen KW bark KW Populus tremula L. KW phenylglycosides KW salicin KW polyphenols KW antioxidants JO Food Processing: Techniques and Technology AU Sergun, V.P. AU Shamova, M.M. AU Poznyakovsky, V.M. AU Sergeeva, I.Y. PY 2026 IS 56 PB Kemerovo State University