Most of the fat oxidation effects of green tea have been observed in a beverage form. This study explored the use of green tea as feed formation in obese mice to protect against diet-induced obesity. Forty-eight adult C57BL/6J mice were randomised to either a control diet with 36.1 w/w sucrose or a standard diet, except for the replacement of 2 w/w of the sucrose dietary component (36.1 sucrose in control) with 2 w/w cocoa (34.1 sucrose), 2 w/w coffee, or 2 w/w powdered Japanese green tea. At 16th week, body composition, plasma glucose, organ samples and bone mineral density were obtained. In comparison to the control group, only the 2 green tea group displayed lower body weight (p < 0.01), body fat, liver weight (p < 0.05), hepatic lipid status and higher lean mass. The coffee group displayed lower body fat (p < 0.05) and the cocoa group lower plasma glucose (p < 0.05), but this was not substantiated by other parameters. Results of study indicate the anti-obesity potential of green tea when consumed as 2 (w/w ) of the diet probably by lipolysis and decreased systemic inflammation resulting from consumption of a high-fat, high-sucrose diet in obesity-prone strain of mice.
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