The acute effects of dairy calcium intake on fat metabolism during exercise and endurance exercise performance

被引:4
作者
White, Kimberly M. [1 ]
Lyle, Roseann M.
Flynn, Michael G.
Teegarden, Dorothy
Donkin, Shawn S.
机构
[1] Purdue Univ, Dept Hlth & Kinesiol, W Lafayette, IN 47907 USA
[2] Purdue Univ, Dept Food & Nutr, W Lafayette, IN 47907 USA
[3] Purdue Univ, Dept Anim Sci, W Lafayette, IN 47907 USA
[4] Carroll Coll, Div Hlth Sci, Waukesha, WI USA
关键词
dairy calcium; fat oxidation; glycogen sparing; time trial;
D O I
10.1123/ijsnem.16.6.565
中图分类号
R15 [营养卫生、食品卫生]; TS201 [基础科学];
学科分类号
100403 ;
摘要
The purpose of this study was to test the effect of acute dairy calcium intake on exercise energy metabolism and endurance performance. Trained female runners completed two trials. Each trial consisted of a 90-min glycogen depletion run followed by a self-paced 10K time trial, conducted one hour after consumption of a high dairy (500 mg Ca+2) or low dairy (80 mg Ca+2) meal. During the 90-min run, blood samples and respiratory gases were collected. No treatment main effects of acute dairy intake were found for respiratory exchange ratio (RER), calculated fat oxidation, lactate, glycerol, or 10K time. Following this protocol, acute dairy calcium intake did not alter fat utilization or endurance performance in trained female runners.
引用
收藏
页码:565 / 579
页数:15
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