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(haɪˌdrɒksɪˈprəʊliːn; -lɪn)
(Biochemistry) an amino acid occurring in some proteins, esp collagen. Formula: (OH)C4H7N(COOH)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(haɪˈdrɒk sɪˈproʊ lin, -lɪn)

a nutritionally nonessential amino acid, C5H9NO3, found chiefly in collagen.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
In our study, wound healing was examined histopathologically and by measuring the hydroxyproline level in the tissue.
A study involving Natreon's patented PrimaVie shilajit showed the benefits of supplementation in maintaining muscular strength and hydroxyproline levels in recreationally active men.
Pellets were resuspended in 0.1M Tris-HCl (pH 7.4) and the total collagen content in granulation tissues was estimated based on the hydroxyproline index by the method of Woldet al, (1999) (18).
A standard calibration curve was carried out from hydroxyproline at concentration 0, 1.2, 2.4, 3.6, 4.8 [micro]g hydroxyproline/mL.
Prolidase, a protease that degrades imidopeptides into proline or hydroxyproline residues, plays an important role in the metabolism of collagen [13].
Hydroxyproline and glutamic acid was the most abundant amino acids in two mussel species Hydroxyproline is a non-proteinogenic amino acid formed by the post-translational hydroxylation of proline.
The body has to make hydroxyproline on its own," Nimni explains.
Summary: Hydroxyproline is found in high concentrations in connective tissue proteins.
One part of the tissue samples was fixed with 1 cc physiological saline solution, and kept at -80[degrees]C for hydroxyproline determination.
After 14 days, the mice were sacrificed, and lung tissues were stained with hematoxylin and eosin; the hydroxyproline content was measured to confirm PF.
Moreover, an in vivo study demonstrated that collagen hydrolysate intake increased circulating blood levels of glycine, proline, hydroxyproline and hydroxylysine (Shaw et al., 2017).

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