al·​a·​nine | \ ˈa-lə-ˌnēn How to pronounce alanine (audio) \

Definition of alanine

: a simple nonessential crystalline amino acid C3H7NO2

Examples of alanine in a Sentence

Recent Examples on the Web Perhaps beta-alanine [Ed: an amino acid that supposedly aids in the production of carnosine, a compound that plays a role in muscle endurance in high-intensity exercise] might help as well, but it’s not a muscle-building supplement per se. Oliver Lee Bateman, Men's Health, 19 May 2022 But diagnosis of hepatitis often comes only when blood tests reveal elevated levels of liver enzymes, such as aspartate transaminase or alanine aminotransaminase being greater than 500 IU/L. Bruce Y. Lee, Forbes, 26 Apr. 2022 Note that the two amino acids that lead to a mutation, alanine and aspartic acid, are shorter than glutamic acid. William A. Haseltine, Forbes, 13 Apr. 2022 When combining the amino acids L-glutamate and beta-alanine, Zoll typically dissolves the mixture in high-proof vodka and dries it on a hot plate. Joanna Thompson, Scientific American, 23 Mar. 2022 Sometimes beta-alanine and L-glutamate form thicker, more textured crystals such as the ones pictured here. Joanna Thompson, Scientific American, 23 Mar. 2022 There are some other suggestions in there, like creatine and beta-alanine. Alex Hutchinson, Outside Online, 9 Apr. 2021 The virus needs the host to cooperate, but the host does a better job if the cleavage site is made up of a certain arrangement of amino acids: proline-arginine-arginine-alanine. WSJ, 12 Oct. 2021 Beta-alanine: This is an amino acid that's produced naturally within the body, helping to create a compound known as carnosine, which can increase your endurance across muscle groups during high-intensity exercise. Zee Krstic, Good Housekeeping, 29 Aug. 2021 See More

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

First Known Use of alanine

1850, in the meaning defined above

History and Etymology for alanine

German Alanin, irregular from Aldehyd aldehyde

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Time Traveler for alanine

Time Traveler

The first known use of alanine was in 1850

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Cite this Entry

“Alanine.” Dictionary, Merriam-Webster, Accessed 16 Aug. 2022.

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More Definitions for alanine


al·​a·​nine | \ ˈal-ə-ˌnēn How to pronounce alanine (audio) \

Medical Definition of alanine

: a simple nonessential crystalline amino acid C3H7NO2 formed especially by the hydrolysis of proteins abbreviation Ala

More from Merriam-Webster on alanine Encyclopedia article about alanine


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