proline

noun

pro·​line ˈprō-ˌlēn How to pronounce proline (audio)
: an amino acid C5H9NO2 that can be synthesized by animals from glutamate

Examples of proline in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Research suggests bone broth may be lower in , glycine, and proline (primary amino acids) than collagen supplements.8 8 Science-Backed Collagen Benefits 4. Jonathan Purtell, Verywell Health, 9 Oct. 2024 Meanwhile Atlantic sea kelp, proline, and botanical oils help boost collagen production and to ensure skin is more moisturized after each use. Kiana Murden, Vogue, 15 Aug. 2024 Key Ingredients: Atlantic sea kelp, proline, salicylic acid. Kiana Murden, Vogue, 14 June 2024 Collagen is a protein made by the body from the essential amino acids proline and glycine with an assist from copper, zinc and vitamin C. One-third of the body’s protein is collagen. Sheah Rarback, Miami Herald, 24 Feb. 2024 The foods richest in collagen come from animals, but several fruits and vegetables are rich in vitamin C, amino acids proline and glycine, and minerals such as zinc and copper, all of which promote the synthesis of this essential protein. Alessandra Signorelli, Glamour, 24 Oct. 2023 The anti-inflammatory properties of collagen are due to its content of proline and glycine. Amber Smith, Discover Magazine, 23 Mar. 2022 Combining powerful amino acids such as glycine and proline, this product works to strengthen tendons, ligaments, bones, hair, skin, and nails. Amber Smith, Discover Magazine, 9 Jan. 2023 Repeats with a lot of proline, threonine and serine transform a typical protein to a mucin because of the polypeptide structure that is formed. Coren Walters-Stewart, Discover Magazine, 18 Oct. 2022

Word History

Etymology

German Prolin, contraction of Pyrrolidin pyrrolidine (C4H9N), from International Scientific Vocabulary pyrrole + -idine

First Known Use

1904, in the meaning defined above

Time Traveler
The first known use of proline was in 1904

Dictionary Entries Near proline

Cite this Entry

“Proline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proline. Accessed 23 Dec. 2024.

Medical Definition

proline

noun
pro·​line ˈprō-ˌlēn How to pronounce proline (audio)
: an amino acid C5H9NO2 that can be synthesized by animals from glutamate
abbreviation Pro

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