alexa Ingestion of a tea rich in catechins leads to a reduction in body fat and malondialdehyde-modified LDL in men.
Medicine

Medicine

Journal of Gerontology & Geriatric Research

Author(s): Nagao T, Komine Y, Soga S, Meguro S, Hase T,

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Abstract BACKGROUND: Catechins, the major component of green tea extract, have various physiologic effects. There are few studies, however, on the effects of catechins on body fat reduction in humans. It has been reported that the body mass index (BMI) correlates with the amount of malondialdehyde and thiobarbituric acid-reactive substances in the blood. OBJECTIVE: We investigated the effect of catechins on body fat reduction and the relation between oxidized LDL and body fat variables. DESIGN: After a 2-wk diet run-in period, healthy Japanese men were divided into 2 groups with similar BMI and waist circumference distributions. A 12-wk double-blind study was performed in which the subjects ingested 1 bottle oolong tea/d containing 690 mg catechins (green tea extract group; n = 17) or 1 bottle oolong tea/d containing 22 mg catechins (control group; n = 18). RESULTS: Body weight, BMI, waist circumference, body fat mass, and subcutaneous fat area were significantly lower in the green tea extract group than in the control group. Changes in the concentrations of malondialdehyde-modified LDL were positively associated with changes in body fat mass and total fat area in the green tea extract group. CONCLUSION: Daily consumption of tea containing 690 mg catechins for 12 wk reduced body fat, which suggests that the ingestion of catechins might be useful in the prevention and improvement of lifestyle-related diseases, mainly obesity.
This article was published in Am J Clin Nutr and referenced in Journal of Gerontology & Geriatric Research

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