TY JOUR TI THE RESEARCH OF VITAMINS CONTENT IN FRESH AND DRIED PUMPKIN KW pumpkin KW vacuum drying KW quality indicators KW vitamins KW healthy nutrition JO Bulletin of KSAU AU Usov, A.V. AU Lifentseva, L.V. AU Smerdov, O.V. PY 2018 IS PB Krasnoyarsk State Agrarian University