L-Glutamic acid monosodium salt is used as a flavor enhancer, swine feed additive as well as to improve the taste of bitter drugs. It is used therapeutically to reduce blood ammonia levels. It serves as an excitatory amino acid neurotransmitter, which is an agonist at glur and NMDA receptors. Further, it is used to reduce the intake of sodium.
Jiang, L.; Pei, H.; Hu, W.; Ji, Y.; Han, L.; Ma, G. The feasibility of using complex wastewater from a monosodium glutamate factory to cultivate Spirulina subsalsa and accumulate biochemical composition. Bioresour. Technol. 2015, 180, 304-310.
Matoušková, P.; Bártíková, H.; Boušová, I.; Levorová, L.; Szotáková, B.; Skálová, L. Drug-Metabolizing and Antioxidant Enzymes in Monosodium L-Glutamate Obese Mice. Drug Metab. Dispos. 2015, 43 (2), 258-265.