Frying composition based on ostrich fat and a natural antioxidant additive Mariya V. Gorbacheva, Vasilij E. Tarasov, Svetlana A. Kalmanovich and Konstantin V. Esepenok E3S Web Conf., 285 (2021) 05016 Published online: 06 July 2021 DOI: 10.1051/e3sconf/202128505016