Abstract Title:

Administration of Cyperus rotundus tubers extract prevents weight gain in obese Zucker rats.

Abstract Source:

Phytother Res. 2007 Aug;21(8):724-30. PMID: 17444573

Abstract Author(s):

Bernard Lemaure, André Touché, Irène Zbinden, Julie Moulin, Didier Courtois, Katherine Macé, Christian Darimont

Abstract:

Cyperus rotundus L. (Cyperaceae; C. rotundus) is an Indian medicinal plant demonstrated to exert multiple health benefits. The purpose of the present study was to test the biological efficacy of C. rotundus tubers extract on weight control in obese Zucker rats. It was demonstrated that administration of 45 or 220 mg/kg/day of C. rotundus tubers hexane extract for 60 days in Zucker rats induced a significant reduction in weight gain without affecting food consumption or inducing toxicity. In vitro, 250 microg/mL of this extract was able to stimulate lipolysis in 3T3-F442 adipocytes suggesting that this medicinal plant contains activators of beta-adrenoreceptors (AR). The binding assay performed on the rat beta3-AR isoform, known to induce thermogenesis, demonstrated that C. rotundus tubers extract can consistently and effectively bind to this receptor. These data suggest that the effect on weight gain exerted by C. rotundus tubers extract may be mediated, at least partially, through the activation of the beta3-AR. In conclusion, C. rotundus tubers extract prove to be a new herbal supplement for controlling body weight preferentially in beta3-AR sensitive species.

Study Type : Animal Study

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