The essential oil from aerial parts of Peperomia galioides, a plant used in traditional Peruvian medicine, was obtained in a 0.25% yield by hydrodistillation. Globulol (22.2%), caryophyllene (10.2%) and limonene (9.8%) were found to be the major components. The oil was assayed for its in vitro activity against Gram (+) and Gram (-) bacterial strains, the results showed a moderate antibacterial activity and confirming the traditional uses of Peperomia sp.
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