Cognitive-enhancing activity of thymol and carvacrol in two rat models of dementia.

This study evaluated the efficacy of thymol and carvacrol against cognitive deficits induced by amyloid β (Aβ) or scopolamine. Rats received bilateral intrahippocampal injections of Aβ(25–35) or intraperitoneal injections of scopolamine, and the effect of different doses of thymol, or carvacrol (0.5