Evaluation of the pharmacotherapeutic efficacy of Garcinia cambogia plus Amorphophallus konjac for the treatment of obesity

Phytotherapy Research : PTR
Carlos A R VasquesJosé L Lancho Alonso

Abstract

Hydroxycitric acid (HCA), the main compound of Garcinia cambogia extract, is a competitive blocker of ATP-citrate-lyase, presenting a potential inhibition of fatty acid biosynthesis. Glucomannan fibers, abundant in Amorphophallus konjac, seem to reduce the absorption kinetics of dietary fat. Therefore, the aim of this double-blind randomized study was to evaluate the pharmacotherapeutic efficacy of standardized extracts of G. cambogia (52.4% HCA) plus A. konjac (94.9% glucomannan) in the treatment of obesity. Fifty-eight obese subjects (BMI 30.0-39.9 kg/m(2)) were assigned to the placebo group (n = 26) or the treatment group (n = 32); no dietary restrictions were applied. Over a 12-week period, subjects were given daily doses of either Garcinia (2.4 g) plus Konjac (1.5 g) or placebo prior to their main meals (3 times/day). Before the start of treatment, and every 4 weeks thereafter, the following were recorded: height, weight, circumferences and body composition, resting energy expenditure (REE), lipid profile and glucose levels. The treatment had no significant effect on anthropometric parameters, REE, triglycerides or glucose levels. However, a significant reduction was observed in total cholesterol (-32.0 +/- 35.1 mg/dL) and...Continue Reading

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Jul 28, 2010·Obesity Reviews : an Official Journal of the International Association for the Study of Obesity·N D YulianaR Verpoorte
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