Finally, the essential oil obtained by stem distillation of the aerial
parts of this plant collected in Vietnam revealed the presence of
34 compounds, a-pinene (57.4%) and b-caryophyellene (13.6%)
being the main components. The oil showed also a broad range
of anti-microbial activity in vitro, in particular against Salmonella
enterica and Staphylococcus epidermidis