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  1. Hydroxyproline - Wikipedia

    Hydroxyproline differs from proline by the presence of a hydroxyl (OH) group attached to the gamma carbon atom. Hydroxyproline is produced by hydroxylation of the amino acid proline by the enzyme …

  2. Hydroxyproline: What It Is, and Why It Matters for Collagen

    Jul 20, 2025 · Hydroxyproline is a non-essential amino acid, a modified version of proline. While not used to build proteins directly, it is one of the most abundant amino acids in the body due to its role …

  3. Proline - Uses, Side Effects, and More - WebMD

    Proline is used for skin healing, especially in people who have problems keeping enough proline in the body. It is also used for other conditions, but there is no good scientific evidence to...

  4. Hydroxyproline | Collagen, Protein, Amino Acids | Britannica

    Hydroxyproline, an amino acid formed upon hydrolysis of connective-tissue proteins such as collagen (about 14 percent by weight) and elastin but rarely from other proteins. First isolated (1902) from …

  5. Hydroxyproline - an overview | ScienceDirect Topics

    Hydroxyproline is defined as a product of posttranslational hydroxylation of proline in the procollagen chain, released during the degradation of type I collagen, and is traditionally used as a marker for …

  6. L-Hydroxyproline | C5H9NO3 | CID 5810 - PubChem

    Hydroxyproline is a neutral heterocyclic protein amino acid. It is found in collagen and as such it is common in many gelatin products. Hydroxyproline is mostly used as a diagnostic marker of bone …

  7. Hydroxyproline: Uses, Interactions, Mechanism of Action | DrugBank

    Mar 2, 2013 · Hydroxyproline is a neutral heterocyclic protein amino acid. It is found in collagen and as such it is common in many gelatin products. Hydroxyproline is mostly used as a diagnostic marker of …

  8. Unlocking L-Hydroxyproline: Benefits & Top Supplement for 2025

    Discover the vital role of L-Hydroxyproline in collagen synthesis and overall health. Learn about its benefits, uses, and how the L-Hydroxyproline Aminos supplement can enhance your wellness in 2025.

  9. Hydroxyproline | Skin Care Ingredient Dictionary | Paula's Choice

    Mar 12, 2025 · Hydroxyproline is a nonessential (the body makes it) amino acid used in cosmetics for its skin conditioning benefits. When used in skin care, it can be either animal-derived or synthetic. …

  10. Understanding Elevated Levels of Hydroxyproline in the Blood

    May 24, 2024 · This article provides an in-depth understanding of the causes, implications, diagnosis, treatment, and prevention of elevated hydroxyproline levels in the blood, along with healthy lifestyle …