Monosodium Glutamate (MSG)

Monosodium glutamate (MSG, E621) is the sodium salt of glutamic acid, a naturally occurring amino acid. It is the carrier of umami, the fifth basic taste, which creates a sensation of savoriness and fullness. It occurs naturally in foods such as Parmesan cheese, tomatoes, mushrooms, and soy sauce. As a food additive, it is produced commercially through fermentation. In Asian cuisine, it is a common ingredient in soups, sauces, and marinades. Only a small amount is needed to significantly enhance the overall flavour of a dish. The modern scientific consensus considers MSG safe for consumption at typical usage levels.