[uh-spar-uh-jeen, -jin]


a white, crystalline, amino acid, NH2COCH2CH(NH2)COOH, soluble in water, obtained from certain plants, especially legumes, and used chiefly as a nutrient in culture media for certain bacteria. Abbreviation: Asn; Symbol: N

Origin of asparagine

From French, dating back to 1805–15; see origin at asparagus, -ine2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for asparagine

Historical Examples of asparagine

  • Aspartic acid, on the contrary, had presented to him molecular dissymmetry, like asparagine itself.

    Louis Pasteur

    Ren Vallery-Radot

  • When some other source of nitrogen is present, such as asparagine or an ammonium salt, the amount falls to 005 to 01.

  • Then he prepared a gelatine solution with a little sugar, asparagine, and other materials, and added the nodule-extract.

  • Besides solutions containing ammonium salts and urea, I have succeeded in nitrifying solutions of asparagine, milk, and rape cake.

  • The influence of small amounts of asparagine in enormously increasing the hydrolytic effect of amylase is an example.

    The Chemistry of Plant Life

    Roscoe Wilfred Thatcher

British Dictionary definitions for asparagine



a nonessential amino acid, a component of proteins

Word Origin for asparagine

C19: from French, from Latin asparagus asparagus + -ine ²
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

asparagine in Medicine




An amino acid found in proteins that is the beta-amide of aspartic acid.asparamide
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

asparagine in Science



A nonessential amino acid. Chemical formula: C4H8N2O3. See more at amino acid.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.