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E622; Monopotassium Glutamate
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1. Flavor / Flavoring / Flavor Enhancer - Provides or enhances a particular taste or smell.
Monopotassium glutamate is a potassium acid salt of glutamic acid. It is commercially prepared from molasses by bacterial fermentation and also prepared from vegetable protein, such as gluten, or soy protein. Glutamic acid and glutamates are present in all proteins. Free glutamates are present in high concentrations in ripened cheese, breast milk, tomatoes and sardines. Potassium glutamate is mainly used in low salt (low sodium) products.
Monopotassium glutamate has the E number 622 and is used in foods as a flavor enhancer. It is a non-sodium MSG alternative. It is approved to use as food additive in EU and generally recognized as safe food substance in US.
Scientific References:
Regulatory References:
1. EU Approved Food Additive [2018]
- E622
2. Japan’s List of Designated Food Additives under Article 10 of the Food Sanitation Act
- Monopotassium L-Glutamate
3. US FDA Generally Recognized As Safe (GRAS) (21 CFR 182) [2017]
- § 182.1516 - Monopotassium glutamate

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