Industrial food manufacturers market and use MSG as a flavor enhancer because it balances, blends and rounds the total perception of other tastes. The L-glutamate form of MSG confers the same "umami" taste of free L-glutamate naturally found in foods. It has long been known that there are four basic tastes - sweet, sour, salty, and bitter. It is now thought that there is a fifth taste, called "umami." Umami is the savory taste that occurs naturally in foods such as tomatoes and ripe cheese.
·MSG is used in crackers (with cheese flavor), packaged foods such as soups, sauces, seasonings, and instant snacks.
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