Investigation of some physico-chemical properties of Elaeagnus L. GUM O. G. Abdullaev, A. V. Umarov, N. Abdukelimu, H. A. Aisa and B. S. Abdullaeva E3S Web of Conf., 401 (2023) 03032 Published online: 11 July 2023 DOI: 10.1051/e3sconf/202340103032