Monopotassium glutamate

Monopotassium glutamate (MPG) is a compound with formula KC5H8NO4. It is a potassium acid salt of glutamic acid. Monopotassium glutamate (MPG) is a compound with formula KC5H8NO4. It is a potassium acid salt of glutamic acid. It has the E number E622 and is used in foods as a flavor enhancer. It is a non-sodium MSG alternative.