The use of Soxhlet extractor for the production of tinctures from plant raw materialsDmitrii Borodulin, Maksim Prosin, Igor Bakin, Boris Lobasenko, Marina Potapova and Aleksei ShalevE3S Web Conf., 175 (2020) 08010DOI: https://doi.org/10.1051/e3sconf/202017508010