Compensatory effects of palatable and non-palatable substances on the ethanol consumption in a free-choice procedure in rats.

AbstractMale Wistar rats were able to drink water and different percentages of ethyl alcohol in a free-choice paradigm. Addition of quinine in both drinking-bottles increased preference for alcohol, while dilution of saccharin in both bottles totally supressed this preference for the alcohol bottle. These results are discussed in terms of a gustatory balance based upon the palatability of the solutions in which alcohol was diluted, and the palatability offered by alcohol itself.

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