Anti-obesity effects of epigallocatechin-3-gallate,orange peel extract,black tea extract,caffeine and their combinations in a mouse model |
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Authors: | Yu-Wen Huang Yue Liu Slavik Dushenkov Chi-Tang Ho Mou-Tuan Huang |
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Affiliation: | 1. Department of Chemical Biology, Susan Lehman Cullman Laboratory for Cancer Research, School of Pharmacy, Rutgers University, Piscataway, NJ 08854-8020, USA;2. Biotech, Rutgers University, New Brunswick, NJ 08901, USA;3. Department of Food Science, Rutgers University, New Brunswick, NJ 08901, USA |
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Abstract: | The anti-obesity effects of epigallocatechin-3-gallate (EGCG), orange peel extract (OPE), black tea extract (BTE), and caffeine (CF) in female CF-1 mice were studied. Female CF-1 mice were fed high-fat diets containing 0.1% EGCG, 0.2% OPE, 0.2% BTE and 0.05% caffeine alone and in combination for 10 weeks. The body weight gain and weights of abdominal fat and brown adipose tissue were significantly reduced in mice whose diets contained OPE, BTE, caffeine, OPE + BTE and OPE + CF. Notably, mice fed a high-fat diet supplemented daily with 0.2% OPE + 0.2% BTE + 0.05% CF prevented body weight gain by 48.8%, parametrial fat pad weight by 88.2%, retroperitoneal fat pad weight by 82.8% and brown adipose tissue by 63.7% compared with mice fed a high-fat diet. On the basis of these findings, it was concluded that oral feeding of orange peel extract, black tea extract and caffeine had anti-obesity effects by suppressing body weight gain and adipose tissue formation. |
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