Monosodium glutamate - Definition

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Also called sodium glutamate, monosodium glutamate is classified as a food additive by the European Union. An amino acid naturally present in the body and in dietary proteins, it is also used as a flavor enhancer by the food industry. Monosodium glutamate suffers a bad reputation, being accused of causing reactions that scientific testing has yet never proven. It appears on food labels with the letter "E."