Definition of glutamate in US English:



  • 1A salt or ester of glutamic acid.

    • ‘In addition, R2 was also mutated to a glutamate.’
    • ‘Of all the 90 ionizable residues located along the ion-conducting pathway, 52 residues are lysines and arginines and 38 residues are aspartate and glutamates.’
    • ‘The largest contributions to the ligand-receptor energy are provided by aspartates and glutamates in the selectivity filter and carboxyl residues in the outer ring.’
    • ‘Mutations of aspartates and glutamates were done by substitution of the carboxyl group by the amide group.’
    • ‘Sickle cell anemia is caused by a mutation from a glutamate to a valine in the beta chain of the hemoglobin molecule.’
    1. 1.1 Glutamic acid, its salts, or its anion.
      • ‘Its synthesis is dependent on the supply of its constituent amino acids cysteine, glutamate, and glycine.’
      • ‘The cationic component of the hemolymph is frequently replaced by potassium and free amino acids such as glutamate, proline, lysine and glycine.’
      • ‘These reports constitute the only evidence of glutamate gating of plant ion channels, despite the frequent use of glutamate as a balancing anion in patch-clamping solutions.’
      • ‘In addition, the increased glutamate leads to glutamine formation.’
      • ‘Monosodium glutamate is the salt of glutamate, an amino acid found naturally in protein-containing foods such as meat, vegetables, and milk.’
    2. 1.2
      • ‘Free amino acids such as glutamate (also known as MSG) help dull the bitterness in certain vegetables.’
      • ‘The glutamate naturally present in food, and the glutamate from MSG, are treated in exactly the same way by the body.’