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  • 标题:The Effect of L-Arginine on Absorption of a GlucoseElectrolyte Solution in Humans
  • 本地全文:下载
  • 作者:G. Patrick Lambert ; G. Patrick Lambert ; James Lang
  • 期刊名称:Journal of exercise physiology online
  • 印刷版ISSN:1097-9751
  • 出版年度:2011
  • 卷号:14
  • 期号:4
  • 页码:75-86
  • 语种:English
  • 出版社:American Society of Exercise Physiologists
  • 摘要:Lambert GP, Lang JA, Welch R, Lanspa SJ. Effect of L-Arginine on Absorption of a Glucose-Electrolyte Solution in Humans. JEPonline 2011;14(4):75-86. The purpose of this study was to determine the effect of a low concentration of L-arginine (Arg) on water absorption from an isotonic glucose-electrolyte solution (GES). Six healthy human subjects (mean ± SD age = 23 ± 2 yr) participated. The GES tested were 222 mM glucose (G), 222 mM glucose + 1.5 mM Arg (G + 1.5 Arg), and 222 mM glucose + 3 mM Arg (G + 3 Arg). To control for the effect of glucose on water absorption, a 222 mM fructose + 1.5 mM Arg (F + 1.5 Arg) solution was also tested. Solutions also contained 20 mEq sodium and 3 mEq potassium (osmolalites = ~270 mOsm/kgH2O). Water absorption was not different among G, G + 1.5 Arg, and G + 3 Arg. The respective medians (ranges) for those solutions were 5.5 (4.1 to 9.7), 6.6 (2.3 to 7.9), and 5.8 (3.9 to 13.6) ml/h/cm. Each of the glucose-containing solutions promoted faster (P=0.05) absorption than F + 1.5 Arg, which had an absorption rate of 0.8 (-1.7 to 3.0) ml/h/cm. These results indicate water absorption from an isotonic GES in healthy humans is not affected by addition of low concentrations of Arg (1.5 to 3 mM).
  • 关键词:Intestine;Water;Rehydration
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