TY JOUR TI THE COFFEE MINERAL PROFILE DURING EXTRACTION KW coffee KW arabica KW robusta KW extraction KW coffee grounds KW mineral profile KW ash content JO Bulletin of KSAU AU Nilova, L.P. AU Tverskoy, V.R. AU Smirnova, O.V. AU Malyutenkova, S.M. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University