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Fitoterapia. 2013 Mar;85:14-9. doi: 10.1016/j.fitote.2012.12.015. Epub 2012 Dec 20.

Reducing effect of an extract of Phaseolus vulgaris on food intake in mice--focus on highly palatable foods.

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Neuroscience Institute, Section of Cagliari, National Research Council of Italy, Monserrato (CA), Italy.


Different lines of experimental evidence indicate that treatment with extracts from and derivatives of Phaseolus vulgaris reduces intake of food, including highly palatable foods and beverages, in rats. The present study was designed to extend to mice these lines of evidence. To this end, CD1 mice were treated acutely with a standardized extract of P. vulgaris and then exposed to unlimited access to regular food pellets (Experiment 1) or 1-hour limited access to three different palatable foods/beverages, such as butter cookies (Experiment 2), a condensed-milk beverage (Experiment 3), and a chocolate-flavored beverage (Experiment 4). Treatment with P. vulgaris extract resulted in a significant reduction in the intake of regular food pellets, that was still evident 24h later, as well as of the three palatable nourishments. Together, these results (a) extend to mice several previous findings on the capacity of P. vulgaris extracts to suppress food intake in rats, (b) suggest that P. vulgaris extracts may interfere with the central mechanisms regulating appetite, food intake, palatability, and/or the rewarding and hedonic properties of food, and (c) P. vulgaris extracts may represent a potentially effective therapy for overeating, obesity, and food craving.

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