Chambers 20th Century Dictionary(0.00 / 0 votes)Rate this definition: 1  Pawn. pawn, n. something given as security for the repayment of money or the performance of a promise: state of being pledged.âv.t. to give in pledge.âns. 2  Pawn. pawn, n. a common piece in chess. 3  Pawn. pawn, n. a gallery.
Monosodium glutamate is the sodium salt of glutamic acid. Glutamate is a naturally occurring amino acid that is found in nearly all foods, especially high protein foods such as dairy products, meat and fish and in many vegetables.Foods often used for their flavouring properties, such as mushrooms and tomatoes, have high levels of naturally occurring glutamate.lutamate is a naturally occurring amino acid that is found in nearly all foods, especially high protein foods such as dairy products, meat and fish and in many vegetables. Foods often used for their flavouring properties, such as mushrooms and tomatoes, have high levels of naturally occurring glutamate.
Deaminases break the amino group off the amino acids, releasing ammonia. This toxic ammonia is converted to urea, and is excreted in urine. The broken down amino acids contain C, H, and O and can be rearranged in cells to enter cellular respiration either as pyruvate, as acetyl CoA, or directly into the Krebs cycle.