Sodium glutamate is the main component of food flavoring monosodium glutamate, which is a kind of sodium glutamate formed by sodium ion and glutamate ion. Sodium glutamate is an important flavoring agent, which can enhance the flavor. Sodium glutamate is widely used as food flavoring agent. It can be used alone or in combination with other amino acids. It is used in food and has the function of enhancing fragrance.