Definition

1. Noun:
   • An amino acid occurring in proteins: Glutaminic acid is a naturally occurring amino acid that is a fundamental building block of proteins in living organisms.
   • Important in the nitrogen metabolism of plants: It plays a crucial role in how plants process and utilize nitrogen, a vital nutrient.
   • Used in monosodium glutamate to enhance the flavor of meats: A derivative of glutaminic acid is used to create the flavor enhancer monosodium glutamate (MSG), which is known for intensifying savory tastes in food.

Usage Examples

• Noun:
  • Glutaminic acid is one of the most abundant amino acids found in plant proteins.
  • The study focused on the role of glutaminic acid in plant nitrogen metabolism.
  • Monosodium glutamate, derived from glutaminic acid, is a common flavor enhancer.

Advanced Usage

• Biochemical Context: In biochemistry, "glutaminic acid" is often discussed in relation to neurotransmission, as it functions as an excitatory neurotransmitter in the human brain.
  • The release of glutaminic acid at the synapse is critical for neural communication.

Variants and Related Words

• Glutamate (n): The anionic form of glutaminic acid, especially when referring to its role in biochemistry or as a food additive (monosodium glutamate).
  • Sodium ions bind with glutamate to form monosodium glutamate.
• Glutamic Acid: This is the more common modern name for the same compound. "Glutaminic acid" and "glutamic acid" are synonyms.
  • The ingredient list specifies glutamic acid.

Synonyms

• Glutamic acid: The standard IUPAC name for the same amino acid.
• L-Glutamic acid: Specifies the common, naturally occurring form (stereoisomer) of the acid.

Noun

1. an amino acid occurring in proteins; important in the nitrogen metabolism of plants; used in monosodium glutamate to enhance the flavor of meats