TY JOUR TI SCIENTIFIC AND EXPERIMENTAL JUSTIFICATION OF RECEIVING VEGETABLE POWDERS FROM ROOT CROPS FOR THE PRODUCTION OF FOOD CONCENTRATES FOR THE FIRST DINING DISHES OF SPECIALIZED PURPOSE KW root crops KW freeze-drying KW vegetable powders KW food concentrates JO Bulletin of KSAU AU Kasyanov, G.I. AU Mishkevich, E.Y. PY 2018 IS PB Krasnoyarsk State Agrarian University