Chemical composition and antibacterial activities from the essential oils of myrtaceae species planted in Brazil

AUTOR(ES)

Silva, Cleber J., Barbosa, Luiz C. A., Demuner, Antonio J., Montanari, Ricardo M., Pinheiro, Antônio L., Dias, Iara, Andrade, Nélio J.

FONTE

Química Nova

DATA DE PUBLICAÇÃO

2010

RESUMO

The essential oils of seven Myrtaceae species were investigated for its chemical composition and antibacterial activity. The volatile oils were characterized by a high content of monoterpenoids of which 1,8-cineole (88.0, 65.0 and 77.0% for Melaleuca hypericifolia, Callistemon viminalis and Callistemon citrinus respectively), terpinen-4-ol (47.0 and 49.8% for Melaleuca thymifolia and Callistemon polandii respectively) and α-pinene (54.5% for Kunzea ericoides) were the major components. The oil from M. linariifolia was characterized by a high concentration of methyleugenol (87.2%). The oil from Melaleuca thymifolia was the most active, exhibiting high antimicrobial activity against all tested bacteria.

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