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(haɪˌdrɒksɪˈprəʊliːn; -lɪn)
(Biochemistry) an amino acid occurring in some proteins, esp collagen. Formula: (OH)C4H7N(COOH)


(haɪˈdrɒk sɪˈproʊ lin, -lɪn)

a nutritionally nonessential amino acid, C5H9NO3, found chiefly in collagen.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hydroxyproline - a crystalline amino acid obtained from gelatin or collagen
amino acid, aminoalkanoic acid - organic compounds containing an amino group and a carboxylic acid group; "proteins are composed of various proportions of about 20 common amino acids"
References in periodicals archive ?
We determined that one of these candidate genes encodes a polypeptide that generates a 15 amino acid mature peptide with two hydroxyproline (Hyp) residues, and named it and its homologs the CEP family after their structural characteristics (Fig.
Either way, collagen is a protein and it is very rich in two amino acids: proline and hydroxyproline.
Thus, we used the rabbit skull-exposed wound model to compare the efficacy of VSD with traditional dressing therapy by histological and vascular density analyses, and hydroxyproline content.
However, later on it was reported that the serine, hydroxyproline and lysine also occur naturally [7].
Treatment with VK2809 resulted in statistically significant reductions in liver triglycerides, liver cholesterol, total lipids and NAS, as well as in several key measures of fibrotic activity, including total liver fibrosis, type I collagen and hydroxyproline.
There was a signicant reduction in liver lipid peroxide, hydroxyproline and transaminases values at both doses.
Uniquely, Naticol contains more than 16% of essential amino acids and around 50% of glycine, proline, and hydroxyproline.
The imino acids proline and hydroxyproline also react with ninhydrin, but they give a yellow colored complex instead of a purple one.
C) Hydroxyproline (HYP) content in the cartilage, quantified as [micro]g per mg dry weight.
Phenylalanine, citrulline, alanine, and lysine concentrations decreased whereas hydroxyproline and [beta]-aminoisobutyrate concentrations increased modestly.
AGEs impair production of collagen and extracellular organization that is associated with a lowered hydroxyproline content and superoxide dismutase activity resulting in the impairment of biomechanical properties, elasticity and hydration.
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