Caloric compensation in hypothalamic obese rats |
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Authors: | Edwin R Smutz Edward Hirsch Harry L Jacobs |
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Institution: | Pioneering Research Laboratory, U. S. Army Natick Laboratories, Natick, Mass., 01760 USA |
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Abstract: | The present study explored the influence of pelleted diets on adjustment to caloric dilution in hypothalamic obese rats. Medial hypothalamic lesioned and normal rats were maintained on a high fat diet until the static stage of hyperphagia was reached. They were given three pelleted diets which consisted of undiluted Noyes pellets and Noyes pellets diluted 25 or 50 percent with kaolin. In contrast to previous reports that hypothalamic obese rats do not compensate for caloric dilution of their diet, the obese animals showed as large an increase in food intake on the dilute pelleted diets as did the control animals. These results were interpreted by viewing texture as a dimension of palatability which influences food intake in hypothalamic obese rats. |
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Keywords: | Caloric compensation Hypothalamic obesity Food intake Texture |
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