Plant extract samples, such as mother tincture (MT), resin (RES), oil (OIL), and crude extracts (CE) and their fractions
were obtained from plant species. The extract forms, MTs, represented 92% of the total researched plant extracts and 67%
of the species selected in the screening performed in the diffusion assay in vitro. These MTs and the Copaifera reticulata
(Copaíba) plant oil were prepared following standardized techniques in industrialized laboratories (Almeida Prado Homeopathic Laboratory, São Paulo, Brazil)