Research of the chemical composition peculiarities of food additives – vegetable lecithins for the development of methods for assessing their qualityEkaterina Lisovaya, Elena Viktorova, Mariet Zhane, Olga Vorobyova and Elena VelikanovaBIO Web Conf., 34 (2021) 06009DOI: https://doi.org/10.1051/bioconf/20213406009