Chemical composition and antibacterial activity of the essential oil of Ruilopezia bracteosa - PubMed (original) (raw)

PMID: 25973502

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

Libia Alarcón et al. Nat Prod Commun. 2015 Apr.

Abstract

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 (34.2%), α-pinene (24.3%), 7-epi-α-selinene (9.1%), β-pinene (8.5%) and 6,9-guaiadiene (4.4%). Antibacterial activity was tested against Gram-positive and Gram-negative bacteria using broth microdilution and disk agar diffusion methods. MIC values found presented significant differences between both methods, which may be due to diffusion factors.

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Chemical composition and antibacterial activity of the essential oil of Ruilopezia bracteosa - PubMed (original) (raw)