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Effects of Oral Intake of Piceatannol on Fat Burning―A Randomized, Double—blind, Placebo—controlled Crossover Comparison Study―
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JPY
Abstract
Objective The aim of this study was to investigate the effect of oral intake of food containing piceatannol on fat burning in healthy subjects. Methods A randomized, double-blind, placebo-controlled crossover comparison study was conducted in 12 healthy subjects. Subjects consumed test food containing 10 mg of piceatannol per day or placebo food for 7 days before and after the washout period, and breath gas was measured. Outcomes of fat burning were evaluated using a respiratory gas analyzer, and respiratory quotient(RQ)was determined during sedentary and low-intensity exercise. Results Nine out of 12 subjects were included in the final analysis. Compared with that of placebo, oral intake of test food containing piceatannol significantly decreased RQ during sedentary and low-intensity exercise. No change in energy expenditure was observed between the test food and placebo. Conclusions These results suggested that oral intake of food containing piceatannol increased fat burning during sedentary and low-intensity exercise. (UMIN-CTR ID:UMIN000039427)
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