TY CONF TI USE OF PLANT RAW MATERIALS FOR THE DEVELOPMENT OF BIOTECHNOLOGY OF A FOOD ADDITIVE CONTAINING NATURAL SUPPLEMENTS KW wild-growing vegetable raw materials KW food supplement KW iron-containing preparation KW berry syrup JO I International Congress “The Latest Achievements of Medicine, Healthcare, and Health-Saving Technologies” AU Konovalov, S.. AU Gavrilova, N.B. PY 2023 PB Kemerovo State University