title: Comparative evaluation of aqueous extracts of propolis prepared in different ways
abstract: Abstract. In the course of the study, an updated database of the content of biologically active substances in aqueous extracts of propolis prepared at different temperatures and in different ways is presented. The purpose of the work was to select the optimal modes of preparation of aqueous propolis extracts, to determine the content of biologically active substances in freshly prepared propolis extracts and during storage. The studies were carried out in the laboratory of the Federal State Budg
journal: Agrarian Bulletin of the