: an amino acid C5H9NO2 that can be synthesized by animals from glutamate
Examples of proline in a Sentence
Recent Examples on the Web
Bone broth’s collagen and amino acids, like glycine and proline, may support cartilage health and reduce inflammation.
—
Sandra Rose Salathe, Flow Space, 26 Dec. 2024
This long cooking time breaks down collagen and other connective tissues, extracting minerals like calcium, magnesium and phosphorus, along with amino acids such as glycine, proline and glutamine.
—Sandra Rose Salathe, Flow Space, 26 Dec. 2024
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
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.
Sandra Rose Salathe, Flow Space, 26 Dec. 2024
This long cooking time breaks down collagen and other connective tissues, extracting minerals like calcium, magnesium and phosphorus, along with amino acids such as glycine, proline and glutamine.
—Sandra Rose Salathe, Flow Space, 26 Dec. 2024
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
Cite this Entry
“Proline.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/proline. Accessed 3 Mar. 2025.
Copy CitationMedical Definition
proline
noun
pro·line
ˈprō-ˌlēn 
: an amino acid C5H9NO2 that can be synthesized by animals from glutamate
—abbreviation Pro
Love words? Need even more definitions?
Merriam-Webster unabridged
Share