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. Especially salts of L-glutamic acid are known for their use as flavour enhancers in food (see below food additives; see below food additives, flavour enhancers).

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

Glutamates are authorised as food additives for most foods up to a maximum level 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).