Specialized food products of increased biological value on a fish basis Maria Tsibizova, Olga Bredikhina, Vilen Gizbrecht, Nikita Zarubin and Elizaveta Lavrukhina E3S Web of Conf., 390 (2023) 02005 Published online: 01 June 2023 DOI: 10.1051/e3sconf/202339002005