Discussion
Historicall, plants have been used worldwide in traditional medicines for the treatment of diseases. Today, approximately two-thirds to three-quarters of the world’s population are estimated to rely on medicinal plants as their primary source of medicines (12). The current study represents the first phase of ongoing research to identify new, safe and effective agents for the treatment of TB. Lippia origanoides and Lippia alba plants of the Verbenaceae family already have many ethno-pharmacological applications. Both species possess several chemotypes (13,14). Cananga odorata (ylang-ylang) trees are an introduced species and have been widely distributed as ornamentals in Colombian cities. Ylang-ylang essential oil pharmacological effects have