TY JOUR TI OBTAINING THE FILLING FOR VIENNESE WAFFLES USING ANGUSTIFOLIA FIREWEED LEAF POWDER KW filling for Viennese waffles KW fireweed jam KW fireweed powder KW biologically active substances KW quality indicators KW physicochemical indicators KW tasting assessment JO Bulletin of KSAU AU Tipsina, N.N. AU Demidenko, G.A. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University