The influence of freeze drying on the quality indicators of potato tubers V.I. Starovoitov, O.A. Starovoitova, A.А. Manokhina and V.I. Balabanov E3S Web Conf., 392 (2023) 02031 Published online: 06 June 2023 DOI: 10.1051/e3sconf/202339202031