Phytochemical and neuroprotective evaluation of Citrus aurantium essential oil on cerebral ischemia and reperfusion
DOI:
https://doi.org/10.3329/bjp.v13i4.37408Keywords:
Cerebral ischemia, Citrus aurantium, Essential oil, NeuroprotectiveAbstract
This study was conducted to investigate the neuroprotective effect of Citrus aurantium essential oil on hippocampal injury induced by transient global cerebral ischemia and reperfusion in rat. In total 50 rats were randomly assigned into five groups; control, sham, ischemia, and essential oil-treated (50 or 75 mg/kg) rats. Ischemia was induced by occlusion of the carotid artery for 30 min. Spatial memory, passive avoidance learning, anti-oxidant capacity, and lipid peroxidation during ischemia/reperfusion were evaluated. The compounds of the essential oil were analyzed by gas chromatography/mass spectrometry. Induction of ischemia/reperfusion caused a decline in learning and passive avoidance memory in rats. C. aurantium exerted protective effects on the spatial memory, passive avoidance learning, anti-oxidant capacity, and lipid peroxidation during ischemia/reperfusion in animals. The main compounds of the essential oil were camphor (45.9%), thymol (11.2%), linalool (6.6%), carvacrol (6.3%) and borneol (2.9%). The essential oil with anti-oxidant compounds significantly decreased the symptoms of ischemia/reperfusion injury.
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