glutamic acid

glu·​tam·​ic acid | \ (ˌ)glü-ˈta-mik- How to pronounce glutamic acid (audio) \

Definition of glutamic acid

: a crystalline amino acid C5H9NO4 widely distributed in plant and animal proteins

Examples of glutamic acid in a Sentence

Recent Examples on the Web The glutamic acid is substituted by the polar uncharged amino acid glutamine (E484Q). William A. Haseltine, Forbes, 12 Apr. 2021 The formula is made with black rice, which is rich in glutamic acid. Victoria Moorhouse, Forbes, 3 Mar. 2021 The mutation is denominated E484K, meaning that the amino acid, glutamic acid (code letter E), has been replaced by another, lysine (code letter K), in position 484 of the genetic sequence of the spike protein. Lawrence Wright, The New Yorker, 21 Jan. 2021 Glutamate is a form of glutamic acid, an amino acid that’s naturally occurring in many common foods, like tomatoes and cheeses. Yvette D'entremont, SELF, 20 June 2018 But when archaeologists dated samples of amino acids glycine and glutamic acid extracted from the collagen, their results lined up with the 13,000- to 12,795-year-old range for the antler artifacts. Kiona N. Smith, Ars Technica, 18 June 2018 The switch works because miso delivers a wallop of glutamic acid — the chemical responsible for the savory, umami flavor, wrote J. Kenji López-Alt for Serious Eats back in 2012. Marissa Fessenden, Smithsonian, 7 May 2018 There’s natural sugar and glutamic acid that imparts an umami-rich flavor, ideal for a soup or dashi. Jay Carroll, Bon Appetit, 27 Feb. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'glutamic acid.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of glutamic acid

1871, in the meaning defined above

History and Etymology for glutamic acid

International Scientific Vocabulary gluten + amino + -ic

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The first known use of glutamic acid was in 1871

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Cite this Entry

“Glutamic acid.” Dictionary, Merriam-Webster, Accessed 4 Dec. 2021.

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More Definitions for glutamic acid

glutamic acid

glu·​tam·​ic acid | \ (ˌ)glü-ˌtam-ik- How to pronounce glutamic acid (audio) \

Medical Definition of glutamic acid

: a crystalline amino acid C5H9NO4 that is widely distributed in plant and animal proteins and that acts throughout the central nervous system especially in the form of a salt or ester as a neurotransmitter which excites postsynaptic neurons abbreviation Glu

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