Glutamates

Synonym(s)

Calcium diglutamate; Calcium L-Diglutamate; Magnesium L-Diglutamate; Magnesium L-Glutamates; Monopotassium L-glutamate; Monopotassium L-Glutamate; Monosodium L-Glutamate; Monosodium L-Glutamate.svg

Definition
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Glutamates are the salts and esters of glutamic acid. Salts of L-glutamic acid are best known for their use as flavor enhancers in foods (see below Food additives; see below Food additives, flavor enhancers). see also under Umami.

Monosodium glutamate (E 621) the simple sodium salt of glutamic acid is the most commonly used glutamate in the food industry. The following are also permitted as food additives: monopotassium glutamate (E 622), calcium diglutamate (E 623), monoammonium glutamate (E 624) and magnesium diglutamate (E 625).

Glutamates are permitted as food additives for most foods up to a maximum amount of 10 g/kg (calculated as glutamic acid).

Note(s)
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In biochemistry, simple glutamic acid is also referred to as "glutamate". See also the role of glutamate as an excitatory transmitter in the central nervous system (glutamatergic system, glutamatergic synapses).