TY JOUR TI STUDY OF ULTRASONIC INFLUENCE ON THE DEGREE OF PECTIN EXTRACTION FROM FERMENTED BEET PULP WITH CITRIC ACID SOLUTION KW pectin-containing raw materials KW fermented beet pulp KW pectin KW citric acid KW ultrasound exposure KW degree of pectin extraction KW efficiency JO Bulletin of KSAU AU Daisheva, N.M. AU Semenihin, S.O. AU Gorodeckiy, V.O. AU Fabrickaya, A.A. AU Usmanov, M.M. AU Kotlyarevskaya, N.I. PY 2024 IS 0 PB Krasnoyarsk State Agrarian University