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. 2014 May;11(5):831-41.
doi: 10.1002/cbdv.201300366.

Volatile oils from the aerial parts of Eremophila maculata and their antimicrobial activity

Fadia S Youssef  1 , Razan Hamoud, Mohamed L Ashour, Abdel Nasser Singab, Michael Wink
Affiliations

Volatile oils from the aerial parts of Eremophila maculata and their antimicrobial activity

Fadia S Youssef et al. Chem Biodivers. 2014 May.

Abstract

The essential oils isolated from the fresh flowers, fresh leaves, and both fresh and air-dried stems of Eremophila maculata (Scrophulariaceae) were characterized by GC-FID and GC/MS analyses. Sabinene was the major component in most of the oils, followed by limonene, α-pinene, benzaldehyde, (Z)-β-ocimene, and spathulenol. The leaf and flower essential oils showed antibacterial and antifungal activity against five Gram-positive and four Gram-negative bacterial strains, multi-resistant clinical isolates from patients, i.e., methicillin-resistant Staphylococcus aureus (MRSA), as well as two yeasts. Minimum inhibitory concentrations (MICs) and minimum microbicidal concentrations (MMCs) were between 0.25 and 4 mg/ml.

Keywords: Antimicrobial activity; Eremophila maculata; Essential oils; Sabinene.

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