Green Tea Catechin Consumption Enhances Exercise-Induced Abdominal Fat Loss in Overweight and Obese Adults  

Oleh:

Maki, Kevin C. ; Reeves, Matthew S. ; Farmer, Mildred ; Yasunaga, Koichi ; Matsuo, Noboru

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: JN: The Journal of Nutrition vol. 139 no. 02 (Feb. 2009), page 264.

Ketersediaan

Perpustakaan FK Nomor Panggil: J42.K.2009.01 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This study evaluated the influence of a green tea catechin beverage on body composition and fat distribution in overweight and obese adults during exercise-induced weight loss. Participants (n = 132 with 107 completers) were randomly assigned to receive a beverage containing ~625 mg of catechins with 39 mg caffeine or a control beverage (39 mg caffeine, no catechins) for 12 wk. Participants were asked to maintain constant energy intake and engage in =180 min/wk moderate intensity exercise, including =3 supervised sessions per week. Body composition (dual X-ray absorptiometry), abdominal fat areas (computed tomography), and clinical laboratory tests were measured at baseline and wk 12. There was a trend (P = 0.079) toward greater loss of body weight in the catechin group compared with the control group; least squares mean (95% CI) changes, adjusted for baseline value, age, and sex, were –2.2 (–3.1, –1.3) and –1.0 (–1.9, –0.1) kg, respectively. Percentage changes in fat mass did not differ between the catechin [5.2 (–7.0, –3.4)] and control groups [–3.5 (–5.4, 1.6)] (P = 0.208). However, percentage changes in total abdominal fat area [–7.7 (–11.7, –3.8) vs. –0.3 (–4.4, 3.9); P = 0.013], subcutaneous abdominal fat area [–6.2 (–10.2, –2.2) vs. 0.8 (–3.3, 4.9); P = 0.019], and fasting serum triglycerides (TG) [–11.2 (–18.8, –3.6) vs. 1.9 (–5.9, 9.7); P = 0.023] were greater in the catechin group. These findings suggest that green tea catechin consumption enhances exercise-induced changes in abdominal fat and serum TG.

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