Effects of visceral fat reduction in healthy females after drinking catechin-rich green tea.

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OBJECTIVE: We have conducted the present research to evaluate the body fat reduction effects in normal-weight female students after drinking catechin-rich green tea. SUBJECTS: Ten healthy females (aged 20.80±1.03 years) were selected. They played soccer twice a week. DESIGN: Subjects drunk 350mL of tea enriched with 540mg of catechins after supper every day for eight weeks. Body composition was determined by air displacement plethysmography (ADP) using the BOD POD^[○!R]. Magnetic resonance images (MRI) were done on a T1-weighted, spin-echo sequence with a 400-ms repetition time and 12-ms echo time. The MR images in the abdominal region were obtained by using a rectangular field of view (204×256) and respiratory triggering. Transverse slices (5-mm thickness) were done using the image at the level of the navel as the point of origin. RESULTS: There were no significant differences in body weight, waist circumference, body mass index, and waist/hip ratio before and after drinking the tea. However, the hip circumference decreased by 2.16cm, a significant difference (p<0.05). Body fat ratio decreased from 25.79% to 24.89% but was not statistically significant. Fat area in the abdominal region significantly decreased by 4.691mm^2 (p<0.05). When this fat area was divided and measured with visceral fat and subcutaneous fat, visceral fat area was statistically significant (p<0.05). CONCLUSION: This study demonstrates a decrease in visceral fat associated with drinking catechinrich tea for eight weeks in young females with standard form and body weight.
茨城県立医療大学の論文

Effects of visceral fat reduction in healthy females after drinking catechin-rich green tea.

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