TY JOUR TI Improving the quality of food as a condition for ensuring food security KW food security KW nutrition quality KW nutrition-related diseases KW provision of high-quality nutrition KW objective and subjective factors JO Economic policy and national security AU Solodova, S.V. AU Fedotova, G.V. PY 2026 IS 0 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION