TY JOUR TI Biochemical Composition and Medicinal Properties of Inonotus obliquus Pil. KW Inonotus obliquus Pil. KW birch chaga KW conk KW organic acids KW amino acids KW biologically active substances KW chromogenic complex KW culture in vitro JO Food Processing: Techniques and Technology AU Burenkov, S.S. AU Zaushintsena, A.V. PY 2026 IS 56 PB Kemerovo State University