Effects of chronic chlordiazepoxide treatment on novel and familiar food preference in rats

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Abstract
Chlordiazepoxide (CDP) given acutely has been found to have dose-related effects in rats given food preference tests. Low doses selectively increase consumption of familiar food, while high doses increase novel food consumption. The present study examined the effects of three doses of CDP given chronically. All doses (2.5, 5.0 and 10.0 mg/kg) selectively increased novel food eating. There was some evidence for a selective retardation of eating rate for familiar food and an enhanced taste preference for sweet food in CDP-treated rats. However, the overall results suggest that increased consumption of novel food represents an antineophobic action of CDP, which is potentiated by chronic treatment over a low to medium dose range.