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glutamic acid

American  
[gloo-tam-ik] / gluˈtæm ɪk /
Also glutaminic acid

noun

Biochemistry.
  1. an amino acid, HOOCCH 2 CH 2 CH(NH2 )COOH, obtained by hydrolysis from wheat gluten and sugar-beet residues, used commercially chiefly in the form of its sodium salt to intensify the flavor of meat or other food. Glu; E


glutamic acid British  
/ ˌɡluːtəˈmɪnɪk, ɡluːˈtæmɪk /

noun

  1. a nonessential amino acid, occurring in proteins, that acts as a neurotransmitter and plays a part in nitrogen metabolism

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

glutamic acid Scientific  
/ glo̅o̅-tămĭk /
  1. A nonessential amino acid. Chemical formula: C 5 H 9 NO 4 .

  2. See more at amino acid


Etymology

Origin of glutamic acid

First recorded in 1870–75; glut(en) + amic ( def. )

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Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Instead, TAA specifies lysine and TAG specifies glutamic acid.

From Science Daily • Oct. 5, 2023

MSG is defined by the Food and Drug Administration as the "sodium salt of the common amino acid glutamic acid."

From Salon • Aug. 7, 2022

Specifically, the amino acid glutamic acid is substituted by valine in the β chain.

From Textbooks • Jun. 9, 2022

Removal of CaMBD enables increased activity of the enzyme glutamic acid decarboxylase, which catalyzes the decarboxylation of glutamate to GABA, thus raising levels of the molecule.

From Scientific American • Dec. 24, 2021

Its real turbo boost comes from yeast extract and rice starch, which form a veritable glutamic acid tag team.

From Slate • Jul. 3, 2018