TY JOUR TI STUDY OF THE PROCESS OF CONCENTRATION AS A FACTOR OF PRODUCT QUALITY FORMATION KW Concentrating KW extract KW chokeberry KW whey KW concentration process KW process model KW quality indicators JO Foods and Raw Materials AU Maytakov, A.I. AU Yusupov, S.T. AU Popov, A.M. AU Kravchenko, S.N. AU Bakin, I.A. PY 2018 IS 6 PB Kemerovo State University