Seizure prevention by the naturally occurring phenols,carvacrol and thymol in a partial seizure-psychomotor model |
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Institution: | 1. Biology Department, Boston College, Chestnut Hill, MA 02467, USA;2. Chemistry Department, Boston College, Chestnut Hill, MA 02467, USA |
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Abstract: | The natural compounds carvacrol and thymol completely prevented seizures in the 6 Hz, 32 mA partial seizure model. Carvacrol and thymol, both exhibited an ED50 = 35.8 mg/kg, ip and yielded protective indices of 5.3 and 3.4, respectively. At 44 mA current intensity, carvacrol and thymol exhibited ED50s of 88.82 mg/kg (PI = 2.15) and 73.0 mg/kg (PI = 1.65), respectively. Thymol, but not carvacrol showed partial inhibitory activity in the maximal electroshock (MES), sc Metrazol (scMET) and Corneal-kindled models. These results suggest that carvacrol and thymol are more efficacious anticonvulsants than suggested by their lower efficacies in the conventional MES and scMET tests. |
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Keywords: | Isopropyl phenol Anticonvulsant Antiseizure Antiseizure model |
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