Author(s): Silva, Cleber J. ; Barbosa, Luiz C. A. ; Demuner, Antonio J. ; Montanari, Ricardo M. ; Pinheiro, Antônio L. ; Dias, Iara ; Andrade, Nélio J.
Date: 2019
Origin: Oasisbr
Subject(s): Myrtaceae; Antibacterial activity; Melaleuca
Author(s): Silva, Cleber J. ; Barbosa, Luiz C. A. ; Demuner, Antonio J. ; Montanari, Ricardo M. ; Pinheiro, Antônio L. ; Dias, Iara ; Andrade, Nélio J.
Date: 2019
Origin: Oasisbr
Subject(s): Myrtaceae; Antibacterial activity; Melaleuca
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.