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J Med Food. 2013 Feb;16(2):120-7. doi: 10.1089/jmf.2012.0062. Epub 2012 Nov 9.

The effects of green tea consumption and resistance training on body composition and resting metabolic rate in overweight or obese women.

Author information

1
Department of Agroindustry, Food, and Nutrition, Luiz de Queiroz College of Agriculture-ESALQ, University of São Paulo, Piracicaba, São Paulo, Brazil.

Abstract

Green tea has been shown to have thermogenic and antiobesity properties. Therefore, it is important to investigate its effect on weight loss in humans, especially in women. We investigated the effects of green tea consumption combined with resistance training on the body composition and the resting metabolic rate (RMR) in women who were overweight or obese (grade I). After 4 weeks on an adaptive diet, 36 women were divided into four groups (group 1 green tea; group 2 placebo; group 3 green tea plus resistance training; group 4 placebo plus resistance training). The study was double-blinded and placebo-controlled. The RMR and body composition were ascertained for each volunteer, blood tests were performed, and subjects in groups 3 and 4 were tested for their one repetition maximum. Each subject followed the protocol and continued the diet for eight additional weeks, and periodic evaluations were administered. The mean RMR of group 1 decreased significantly and was accompanied by weight loss, maintenance of lean body mass, and decreases in both waist circumference and body mass index. Group 2 showed no variations in anthropometric or blood variables and significantly decreased their mean RMR. Group 3 showed significant increases in RMR, lean body mass, and muscle strength, and significant decreases in body fat, triglycerides, and waist circumference as compared to group 4. Green tea combined with resistance training its potential is increased with decreasing body fat, waist circumference, and triacylglyceride levels and by increasing lean body mass and muscle strength.

PMID:
23140132
DOI:
10.1089/jmf.2012.0062
[Indexed for MEDLINE]

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