Monosodium glutamate, or MSG, is a sodium salt of the non-essential amino acid glutamic acid. MSG is used in food processing as meat and vegetable flavor enhancer. Also, MSG is used to enhance one of the five basic tastes, i.e. umami or savory taste. MSG is used to prepare barbecue sauce, salad dressings, snack food, tortilla chips, seasoning mixtures and other.
The main steps in the production of food ingredients and condiments with monosodium glutamate include fermentation, concentration, hydrolysis, neutralization and acidification, crystallization, separation and purification. Especial attention is paid to the crystallization step which has impact on end product quality.
Download the application note to learn how Vaisala Polaris Sanitary Refractometer is used to measure total density in the MSG crystallization process. This measurement helps to keep the supersaturation levels within specifications. The measurement can also be used for automatic control of the evaporation to achieve the target concentration and reduce energy costs.
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