Effect of Tea Catechins on Energy Metabolism in Rats

Noriko OSAKI; Ushio HARADA; Hiroyuki WATANABE; Kouji ONIZAWA; Tatsuyuki YAMAGUCHI; Ichiro TOKIMITSU; Hiroyuki SHIMASAKI; Hiroshige ITAKURA

doi:10.5650/jos.50.677

RAPID PAPERS

Effect of Tea Catechins on Energy Metabolism in Rats

Noriko OSAKI, Ushio HARADA, Hiroyuki WATANABE, Kouji ONIZAWA, Tatsuyuki YAMAGUCHI, Ichiro TOKIMITSU, Hiroyuki SHIMASAKI, Hiroshige ITAKURA

著者情報

キーワード: tea catechins, sprague-dawley rat, energy expenditure, respiratory quotient, fat oxidation

ジャーナルフリー

2001 年 50 巻 8 号 p. 677-682

DOI https://doi.org/10.5650/jos.50.677

詳細

抄録

Examination was made of the effects of tea catechins on energy metabolism in 8-wk-old male Sprague-Dawley rats subsequent to 4 or 18 hr food depletion. Energy expenditure within 4 hr after a single dose of tea catechins at 100 mg/kg weight both increased significantly compared with saline administration. At 18-hr food depletion, energy expenditure by fat oxidation significantly exceeded that in the tea catechins group. A single dose of tea catechins is thus clearly shown to induce thermic response in the rats.

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