Antibacterial mode of action of Ginkgo biloba leaf essential oil: Effect on morphology and membrane permeability

Title
Antibacterial mode of action of Ginkgo biloba leaf essential oil: Effect on morphology and membrane permeability
Author(s)
백광현비벡바지파이아제이샤마
Keywords
TEA TREE OIL; CHEMICAL-COMPOSITION; ANTIMICROBIAL ACTIVITY; STAPHYLOCOCCUS-AUREUS; ANTIFUNGAL PROPERTIES; ANTIOXIDANT ACTIVITY; ELECTRON-MICROSCOPY; EXTRACTS; PHYTOSOMES; BACTERIA
Issue Date
201504
Publisher
BANGLADESH PHARMACOLOGICAL SOC
Citation
BANGLADESH JOURNAL OF PHARMACOLOGY, v.10, no.2, pp.337 - 350
Abstract
This study was aimed to evaluate antimicrobial mode of action of Ginkgo biloba leaf essential oil against food-borne pathogenic bacteria. Gas-chromatography and mass-spectrometric analysis determined 34 different compounds, representing 95.45% of the total oil. The G. biloba leaf essential oil (1,000 mu g/disc) showed potential antibacterial effect as diameters of inhibition zones (12.0 +/- 0.4-18.0 +/- 1.2 mm) along with minimum inhibitory and minimum bactericidal concentration values ranging of 250-1,000 mu g/mL. Also the G. biloba leaf essential oil had potential inhibitory effect on the cell viability of the tested pathogens. The scanning electron microscopic analysis using G. biloba leaf essential oil showed considerable morphological alterations on the cell wall of tested pathogens. The oil revealed its mode of action on membrane integrity as confirmed by release of extracellular ATP, increase of 260-nm absorbing materials and increased leakage of potassium ions against food-borne pathogenic bacteria.
URI
http://hdl.handle.net/YU.REPOSITORY/32732http://dx.doi.org/10.3329/bjp.v10i2.22546
ISSN
1991-007X
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생명공학부 > 생명공학부 > Articles
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