L-Hydroxyproline Appearance


L-Hydroxyproline Quick Details

Chemical Name: L-Hydroxyproline
CAS No.: 51-35-4

Chemical structure: L-Hydroxyproline chemical structure

Molecular formula: C5H9NO3

EINECS: 200-091-9

Synonyms: 4-hydroxy-L-proline;L-Proline, 4-hydroxy-, trans-; trans-4-Hydroxy-L-proline;trans-Lachnophyllol;

Appearance: White crystals or crystalline powder

L-Hydroxyproline Typical Properties

Product Name L-Hydroxyproline
Specific rotation
Appearance White crystals or crystalline powder
Identification Meets the requirements
Loss on drying ≤0.2%
Residue on ignition ≤0.1%
Chloride(Cl) ≤0.020%
Sulfate(SO4) ≤0.020%
Ammonium(NH4) ≤0.020%
Other amino acids Not detectable
Iron(Fe) ≤10ppm
Arsenic(As2O3) ≤1ppm
Heavy metals(Pb) ≤10ppm
pH 5.0~6.5
State of solution(T430) ≥95.0%
Assay 98.5%~101.0%

L-Hydroxyproline Application

  1. L-hydroxyproline can be used as an exogenous nutritional supplement, which has skin moisturizing, anti-aging, sunscreen and the like;


  1. L-hydroxyproline inhibits the production of melanin, and the inhibition rate at a concentration of 0.1 mmol/L is 18%, which can be used as a whitening aid.


  1. L-hydroxyproline is used clinically for the development of muscles and joints, for the synthesis of antibiotics and anti-tumor, anti-hypertensive and novel gastric drugs, and as an antioxidant, antiseptic and preservative.


  1. L-hydroxyproline can be used as a flavor enhancer; a nutritional enhancer. Flavor. Mainly used for juice, refreshing drinks, nutritional drinks, etc.

L-Hydroxyproline Packaging and Shipping 

25kg/Fiber Drum.

L-Hydroxyproline Storage

It should be store in a cool, sealed place. Shelf life is 12 months.