Abstract

The effects of intraperitoneally injected Δ 9-tetrahydrocannabinol (THC), cannabinol (CBN) and cannabidiol (CBD) were compared to d-amphetamine sulfate (d-AMP) on food and water consumption and intake of two different concentrations of sucrose solutions. Three groups of rats were given the following dietary regimens within a 6-hr feed period day: a — water and dry food; 2 — water, dry food and five percent sucrose solution; 3 — water, dry food and 20% sucrose solution. Food and water consumption were dramatically reduced by each test drug at feeding periods immediately following and in some instances up to 4 days after dosing in all 3 groups. However, sucrose consumption was much less affected by each cannabinoid, indicating a preference for sweet calories, whereas d-AMP had an equal anorexic action on both food and sucrose consumption. These data suggest for the first time in rats that a preference for sweet calories occurs during an overall anorexic effect of THC, CBN and CBD.

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