The Lethal Effect of a Nano Emulsion of Satureja hortensis Essential Oil on Protoscoleces and Germinal Layer of Hydatid Cysts
Background: New scolicidal agents and novel therapeutic drugs are essential for better management of the zoonotic infection, hydatid disease. This study evaluated the effect of a nanoemulsion (NE) of Satureja hortensis essential oil (SHEO) on protoscoleces and germinal layer of hydatid cysts.
Methods: This study was conducted from July to October 2016 in Shiraz University, Shiraz, Iran. Gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS) were performed to identify the main components of SHEO. To determine the scolicidal power of the NE of SHEO, live protoscoleces of hydatid cysts were exposed to two concentrations (1 and, 2 mg/mL) of the NE and incubated at 37 °C for 10 and 20 min. To evaluate the anti-hydatid effect of the NE of SHEO, the collected hydatid cysts from the abdominal cavities of the experimentally infected mice were immersed in the NE (0.5 mg/ml) and incubated at 22 °C for 24 h.
Results: Carvacrol and γ-terpinene were the major components of the SHEO. NE of SHEO at the concentrations of 1 and 2 mg/mL showed 100% scolicidal power after 20 and 10 min respectively. Exposure of the hydatid cysts to the NE of SHEO resulted in crumpling of their germinal layer and detachment of this layer from the laminated layer.
Conclusion: NE of SHEO showed a strong scolicidal activity as well as a profound lethal effect on the germinal layer of hydatid cysts. Accordingly, this product may be used as a natural scolicidal agent in hydatid cyst surgery. Furthermore, it may be used as a therapeutic tool for treatment of hydatid disease.
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|Issue||Vol 14 No 2 (2019)|
|Hydatid disease Treatment Scolicidal Satureja hortensis Nano emulsion|
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