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 The acetyl glycyl beta-alanine ingredient in the formula stood out to Jaliman, who says this peptide will probably help lighten the pigment of a scar while also working to even out skin tone. Maya Gandara,, "Shoppers Swear By Derma-E’s Scar Gel For Healing Stubborn Acne Marks," 15 Apr. 2020 At the top of the list: a slightly elevated level of the liver enzyme alanine aminotransferase, or ALT. Melissa Healystaff Writer, Los Angeles Times, "Ventilators for coronavirus patients are in short supply. How scientists might pivot," 7 Apr. 2020 Ladder’s Pre-Workout pack, for instance, includes beta-alanine, an amino acid that is supposed to help keep lactic acid from building up in your muscles. Sara Harrison, WIRED, "The Wild, Unregulated World of Sports Supplements," 22 July 2019 Scientists have determined that beta-alanine is safe at a certain dosage for up to eight weeks. Sara Harrison, WIRED, "The Wild, Unregulated World of Sports Supplements," 22 July 2019 This dog’s alanine transaminase level spiked to 8,777. Kim Campbell Thornton, sacbee, "Sago palms pose serious risks to pets – here are key things to know | The Sacramento Bee," 14 Mar. 2018

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.

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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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Statistics for alanine

Last Updated

20 May 2020

Cite this Entry

“Alanine.” Dictionary, Merriam-Webster, Accessed 7 Jul. 2020.

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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

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