Glutamate ingestion: the plasma and muscle free amino acid pools of resting humans

  • Graham T
  • Sgro V
  • Friars D
 et al. 
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Monosodium glutamate (MSG) ingestion is known to increase plasma glutamate concentration, and MSG infusion stimulates insulin secretion. We investigated the impact of MSG ingestion on both the plasma and intramuscular amino acid pools. Nine postprandial adults ingested MSG (150 mg/kg) and rested for 105 min. Venous blood was sampled preingestion and then every 15 min; vastus lateralis muscle biopsies were taken preingestion and at 45, 75, and 105 min postingestion. Venous plasma glutamate and aspartate concentrations increased (P

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  • T E Graham

  • V Sgro

  • D Friars

  • M J Gibala

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