Chitin-chitosan complex from Rhizopus oryzae obtained on a pea culture medium, and some of its physicochemical propertiesAnna Beliaeva, Galina Nianikova and Polina RostovtsevaE3S Web of Conf., 215 (2020) 06001DOI: https://doi.org/10.1051/e3sconf/202021506001