hy·​droxy·​pro·​line | \ hī-ˌdräk-sē-ˈprō-ˌlēn How to pronounce hydroxyproline (audio) \

Definition of hydroxyproline

: an amino acid C5H9NO3 that occurs naturally as a constituent of collagen

Examples of hydroxyproline in a Sentence

Recent Examples on the Web The salon and nail-care brand Tenoverten created a restorative hand cream with a formula that, thanks to its proprietary blend of five oils, not only locks in moisture but also builds collagen and brightens skin using hydroxyproline and Kakadu plum. Caitie Kelly, New York Times, "The T List: Five Things We Recommend This Week," 19 Mar. 2020 The supplements specifically contain high amounts of three amino acids that are key building blocks for collagen synthesis in the body: glycine, proline and hydroxyproline. Lisa Drayer, CNN, "Is ingestible collagen the fountain of youth? Maybe," 17 Oct. 2019 But one method, called HYP, extracted and purified a sample of a single amino acid, hydroxyproline, from the collagen sample. Kiona N. Smith, Ars Technica, "New study adds evidence to debate over the only known Clovis burial," 18 June 2018 The collagen found in our bodies is made up of several amino acids, including glycine, proline, hydroxyproline, and arginine. Elise Deming, Rdn, Ldn, Philly.com, "What is collagen and why are people eating it?," 26 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydroxyproline.' 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 hydroxyproline

1905, in the meaning defined above

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Time Traveler for hydroxyproline

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The first known use of hydroxyproline was in 1905

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Cite this Entry

“Hydroxyproline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydroxyproline. Accessed 30 Oct. 2020.

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More Definitions for hydroxyproline


hy·​droxy·​pro·​line | \ -ˈprō-ˌlēn How to pronounce hydroxyproline (audio) \

Medical Definition of hydroxyproline

: an amino acid C5H9NO3 that occurs naturally as a constituent of collagen

More from Merriam-Webster on hydroxyproline

Britannica.com: Encyclopedia article about hydroxyproline

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