TY CONF TI THE USE OF PLANT RAW MATERIALS AS A SOURCE OF RETINOL IN THE PRODUCTION OF SPECIALIZED NUTRITION PRODUCTS KW vegetable raw materials KW retinol KW specialized nutrition JO I International Congress “The Latest Achievements of Medicine, Healthcare, and Health-Saving Technologies” AU Kostina, N.G. AU Grigorieva, R.Z. PY 2023 PB Kemerovo State University