- a white, crystalline, water-soluble powder, C5H8NNaO4⋅H2O, used to intensify the flavor of foods.
- a white crystalline substance, the sodium salt of glutamic acid, that has little flavour itself but enhances the flavour of proteins either by increasing the amount of saliva produced in the mouth or by stimulating the taste buds: used as a food additive, esp in Chinese foods. Formula: NaC 5 H 8 O 4
