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Effects of catechin enriched green tea on body composition.

Abstract

Obesity is a major health problem in the developed and developing world. Many "functional" foods and ingredients are advocated for their effects on body composition but few have consistent scientific support for their efficacy. However, an increasing amount of mechanistic and clinical evidence is building for green tea (GT). This experiment was therefore undertaken to study the effects of a high-catechin GT on body composition in a moderately overweight Chinese population. In a randomized placebo-controlled trial, 182 moderately overweight Chinese subjects, consumed either two servings of a control drink (C; 30 mg catechins, 10 mg caffeine/day), one serving of the control drink and one serving of an extra high-catechin GT1 (458 mg catechins, 104 mg caffeine/day), two servings of a high-catechin GT2 (468 mg catechins, 126 mg caffeine/day) or two servings of the extra high-catechin GT3 (886 mg catechins, 198 mg caffeine/day) for 90 days. Data were collected at 0, 30, 60, and 90 days. We observed a decrease in estimated intra-abdominal fat (IAF) area of 5.6 cm(2) in the GT3 group. In addition, we found decreases of 1.9 cm in waist circumference and 1.2 kg body weight in the GT3 group vs. C (P < 0.05). We also observed reductions in total body fat (GT2, 0.7 kg, P < 0.05) and body fat % (GT1, 0.6%, P < 0.05). We conclude that consumption of two servings of an extra high-catechin GT leads to improvements in body composition and reduces abdominal fatness in moderately overweight Chinese subjects.

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  • Authors+Show Affiliations

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    Unilever R&D, Shanghai, China.

    , , , , , , ,

    Source

    Obesity (Silver Spring, Md.) 18:4 2010 Apr pg 773-9

    MeSH

    Abdominal Fat
    Adipose Tissue
    Adult
    Anti-Obesity Agents
    Body Composition
    Body Weight
    Camellia sinensis
    Catechin
    Double-Blind Method
    Female
    Functional Food
    Humans
    Intra-Abdominal Fat
    Male
    Middle Aged
    Overweight
    Phytotherapy
    Plant Extracts
    Tea
    Waist Circumference

    Pub Type(s)

    Journal Article
    Randomized Controlled Trial
    Research Support, Non-U.S. Gov't

    Language

    eng

    PubMed ID

    19680234

    Citation

    Wang, Hongqiang, et al. "Effects of Catechin Enriched Green Tea On Body Composition." Obesity (Silver Spring, Md.), vol. 18, no. 4, 2010, pp. 773-9.
    Wang H, Wen Y, Du Y, et al. Effects of catechin enriched green tea on body composition. Obesity (Silver Spring). 2010;18(4):773-9.
    Wang, H., Wen, Y., Du, Y., Yan, X., Guo, H., Rycroft, J. A., ... Mela, D. J. (2010). Effects of catechin enriched green tea on body composition. Obesity (Silver Spring, Md.), 18(4), pp. 773-9. doi:10.1038/oby.2009.256.
    Wang H, et al. Effects of Catechin Enriched Green Tea On Body Composition. Obesity (Silver Spring). 2010;18(4):773-9. PubMed PMID: 19680234.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Effects of catechin enriched green tea on body composition. AU - Wang,Hongqiang, AU - Wen,Yibo, AU - Du,Yaping, AU - Yan,Xiuyuan, AU - Guo,Hongwei, AU - Rycroft,Jane A, AU - Boon,Niels, AU - Kovacs,Eva M R, AU - Mela,David J, Y1 - 2009/08/13/ PY - 2009/8/15/entrez PY - 2009/8/15/pubmed PY - 2010/9/3/medline SP - 773 EP - 9 JF - Obesity (Silver Spring, Md.) JO - Obesity (Silver Spring) VL - 18 IS - 4 N2 - Obesity is a major health problem in the developed and developing world. Many "functional" foods and ingredients are advocated for their effects on body composition but few have consistent scientific support for their efficacy. However, an increasing amount of mechanistic and clinical evidence is building for green tea (GT). This experiment was therefore undertaken to study the effects of a high-catechin GT on body composition in a moderately overweight Chinese population. In a randomized placebo-controlled trial, 182 moderately overweight Chinese subjects, consumed either two servings of a control drink (C; 30 mg catechins, 10 mg caffeine/day), one serving of the control drink and one serving of an extra high-catechin GT1 (458 mg catechins, 104 mg caffeine/day), two servings of a high-catechin GT2 (468 mg catechins, 126 mg caffeine/day) or two servings of the extra high-catechin GT3 (886 mg catechins, 198 mg caffeine/day) for 90 days. Data were collected at 0, 30, 60, and 90 days. We observed a decrease in estimated intra-abdominal fat (IAF) area of 5.6 cm(2) in the GT3 group. In addition, we found decreases of 1.9 cm in waist circumference and 1.2 kg body weight in the GT3 group vs. C (P < 0.05). We also observed reductions in total body fat (GT2, 0.7 kg, P < 0.05) and body fat % (GT1, 0.6%, P < 0.05). We conclude that consumption of two servings of an extra high-catechin GT leads to improvements in body composition and reduces abdominal fatness in moderately overweight Chinese subjects. SN - 1930-739X UR - https://www.unboundmedicine.com/medline/citation/19680234/Effects_of_catechin_enriched_green_tea_on_body_composition_ L2 - https://doi.org/10.1038/oby.2009.256 DB - PRIME DP - Unbound Medicine ER -