What are the main ingredients of chicken essence?

"The main component of chicken essence is monosodium glutamate, which is also called monosodium glutamate. According to the product quality standards formulated by China, the content of sodium glutamate in qualified chicken essence should not be less than 35%. Chicken essence is not extracted from chicken, but is made by adding chemical seasoning on the basis of monosodium glutamate. Because nucleotides have the delicate flavor of chicken, they are called chicken essence. "