Industry includes fisheries, salt, ceramics, sugar, paper, plywood, distilleries, and monosodium glutamate. Umami is the taste of glutamates, especially monosodium glutamate (MSG). Some popcorn seasoning may contain monosodium glutamate. Mass-produced varieties may contain food preservatives or monosodium glutamate. It also contains high fructose corn syrup, monosodium glutamate, salt and ascorbic acid. Monosodium glutamate (MSG) is regarded as safe for consumption. Common ingredients in the flavoring powder are salt, monosodium glutamate, seasoning, and sugar. Like the flavor enhancer monosodium glutamate (MSG), torula is rich in glutamic acid. He then patented a method of mass-producing a crystalline salt of glutamic acid, monosodium glutamate. Most of the oyster sauces available on the market contain added monosodium glutamate (MSG). This solution contains monosodium glutamate, potassium phosphate, gelatin, the antibiotic gentamicin, and sugar. Monosodium glutamate (MSG), also known as sodium glutamate, is the sodium salt of glutamic acid.