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Sodium glutamate or monosodium glutamate is a substance found naturally in certain foods, but it is a compound used in the food industry to enhance the flavor. The compound is a non-essential amino acid, which is contained in tomatoes, milk, mushrooms, fish or cheese. In the food industry, sodium glutamate is also known as MSG or E621. Its role is to enhance the flavor of the dishes, as it has the chemical ability to enhance the flavor. In fact, MSG itself has no taste, but it is activated when it is combined with spices or flavored foods.
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Butnariu et al. (2019) studied this question.
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