TY CONF TI SCIENTIFIC AND PRACTICAL ASPECTS OF FOOD DEVELOPMENT FOR WORKERS IN THE CHEMICAL INDUSTRY KW pectin KW pectin-containing raw materials KW new products KW specialized nutrition JO I International Congress “The Latest Achievements of Medicine, Healthcare, and Health-Saving Technologies” AU Grigorieva, R.Z. AU Kostina, N.G. PY 2023 PB Kemerovo State University