Effectiveness of Green tea on Weight Reduction in Obese Thais
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Date
2010-02-20
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Faculty of Medicine, Khon Kaen University
Abstract
Background: The increasing incidence of obesity is a recognized medical problem world wide including Thailand. Obesity raises the risk for developing diseases such as coronary heart disease, hypertension and non-insulin-dependent diabetes mellitus. Green tea, containing caffeine and catechin polyphenols, has effects on decreasing body weight, in Caucasian, possibly through stimulation of energy expenditure and fat oxidation. Perpose: To investigate the effects of green tea on weight reduction in obese Thais.Study design: Randomized control trialSubject: 60 obese subjects (BMI \> 25 kg/m2)Method: Subjects were randomized and divided into green tea and placebo group. Duration of treatment is 12 weeks. Body weight, BMI, body composition, resting energy expenditure (REE), substrate oxidation were measure at baseline in 4, 8 and 12 weeks. All data of two groups at the same week were compared and analyzed by using Student’s t test..Results: Comparing between two groups, differences of weight loss were 2.70, 5.10 and 3.73 kg in 4, 8 and 12 weeks, respectively. At 8th week body weight loss was significantly different (P
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Srinagarind Medical Journal (SMJ); Vol. 22 No. 2 April-July 2007; 182-189