Glutamate de monoammonium

Origin

Monoammonium glutamate is the ammonium salt of glutamic acid, a naturally occurring non-essential amino acid. It is produced through the fermentation of carbohydrates, similar to the production of monosodium glutamate (MSG). The fermentation process typically utilizes bacteria such as *Corynebacterium glutamicum*. After fermentation, the glutamic acid is isolated and neutralized with ammonium hydroxide to form monoammonium glutamate. It can also be produced synthetically.

Usage

Monoammonium glutamate is used as a flavor enhancer, similar to MSG, but it is less commonly used due to its perceived weaker flavor-enhancing properties. It imparts a savory or umami taste to foods. It is used in various food products, including soups, sauces, processed meats, and snack foods. The typical usage levels are similar to those of MSG, although it may require higher concentrations to achieve the same flavor enhancement. It is often used in combination with other flavor enhancers and nucleotides to create synergistic effects.

Side Effects

Monoammonium glutamate is generally considered safe for consumption at typical usage levels. Glutamates are naturally present in many foods, and the human body metabolizes them. However, some individuals may be sensitive to glutamates and experience symptoms such as headaches, flushing, sweating, tingling, or numbness, often referred to as "MSG symptom complex." These symptoms are typically mild and transient. There is no established ADI (Acceptable Daily Intake) specifically for monoammonium glutamate, but it falls under the general category of glutamates, which are considered safe at levels consistent with good manufacturing practices. Regulatory bodies like the EFSA and FDA have evaluated glutamates and consider them safe when used as intended.

Regulatory Status

Monoammonium glutamate is approved for use as a food additive in many countries, including those in the European Union (EU) and the United States. In the EU, it is designated with the E number E624. Regulations specify the permitted uses and maximum levels in various food categories. In the United States, it is generally recognized as safe (GRAS) when used in accordance with good manufacturing practices.