Chemical composition and antibacterial activity of the essential oil of Ruilopezia bracteosa.

The essential oil from the leaves ofRuilopezia bracteosa was obtained by hydrodistillation, and analyzed by GC-MS. Eighteen components, which made up 99.6% of the oil were identified, the most abundant being β-myrcene (34.

Chemical composition and antibacterial activity of the essential oil of Espeletia nana.

The essential oil of the leaves of Espeletia nana Cuatrec., obtained by hydrodistillation, was analyzed by GC-MS, which allowed the identification of 24 components, which made up 99.9% of the oil.