ArticleFrontiers in microbiology2026
Antibacterial mechanism of pulsed electric field-assisted extracted volatile oil from
Article in Frontiers in microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: This study employed pulsed electric field-assisted steam distillation (PEF-HD) to optimize the extraction of volatile oil from Methods: Optimization was performed using single-factor experiments and response surface methodology. The extracted oil was analyzed by GC-MS for chemical composition, and its antibacterial mechanism against Results: The optimal conditions were an electric field intensity of 0.64 kV/cm, 284 pulses, and a 1:6 g/mL solid-liquid ratio, yielding 0.779 ± 0.034% oil. This represented a 1.32-fold increase over traditional steam distillation. GC-MS analysis identified 59 components, dominated by terpenes (66.74%) and oxygenated terpenes (25.82%), together comprising 92.56% of the total oil. The oil disrupted cell wall integrity and membrane permeability in both Discussion: In summary, PEF-HD improved extraction efficiency and yielded a terpenoid-rich oil that exhibited antibacterial activity against foodborne pathogens by disrupting cell membranes. These findings provide a scientific foundation and technical framework for the development and utilization of
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