Contact Us

TEL: +86-21-50321522
Fax:  +86-21-51069122


Constantly strive towards: 

★High quality products
★Professional support
★Total solution for food 
★Reasonable price
★Credible friendly cooperation

Nutrition enhancers Home Nutrition enhancers L-Proline

Quick Select:
is a colorless to white crystal or crystalline powder. Widely used in food industry, pharmaceutical industry,biotechnology.
L-Proline-CAS-No.147-85-3 used in nutritional supplements, flavor agent, can generate a special flavor.


  • CAS No:147-85-3
  • Einecs No:205-702-2
  • HS Code:29339980
  • Specification:AJI92,USP26,EP4
  • Routine Packing:25kg/bag
  • Place of origin:China
  • QC:Haccp, Kosher, Hala,ISO
  • Payment terms:T/T or L/C
  • Port of dispapch:Shanghai,tianjin,Sichuan
  • Function:type7
  • Applications:type14


    • Item
    • Specification --AJI92,USP26,EP4
    • Name
    • L-Proline
    • Molecular formula
    • C5H9NO2
    • Appearance
    • White crystals or crystalline powder
    • Content %
    • 99.0-101.0%
    • State of solution(Transmittance)
    • Clear and colorless, 98% min
    • Specific rotation
    • -84.5° --- -86.0°
    • Loss on drying %
    • 0.30% max
    • Residue on ignition
    • 0.10% max
    • PH
    • 5.9 - 6.9
    • Chloride(Cl-)
    • 0.020% max
    • Sulfate (SO42-)%
    • 0.020% max
    • Heavy metals
    • 0.0010% max
    • Arsenic(As2O3)
    • 0.0001% max
    • Iron
    • 0.0010% max
    • Ammonium
    • 0.020% max

About L-Proline-147-85-3
L-Proline-147-85-3 is a colorless to white crystal or crystalline powder. Orthorhombic as anhydrous, monoclinic with a crystal water molecules. L-Proline-147-85-3, odorless, has a strong sweet taste. Melting point 200 ℃ (decomposition). Impurities are hygroscopic. Asia because of 147-85-3 as amino acids, and other amino acids are different in nature. So easily soluble in water (154.56g/100ml.20 ℃), insoluble in ethanol and isopropyl alcohol. L-Proline-147-85-3 is an important amino acid synthesis of human proteins, one amino acid infusion is an important raw material, but also the synthesis of captopril, enalapril and other first-line antihypertensive drugs, mainly intermediate, L-Proline -147-85-3 has been widely used in food and pharmaceutical industries.
147-85-3 use
(1) flavor enhancer; nutritional supplements. 147-85-3 were fever occurs with sugar amino - carbonyl reaction, can generate a special flavor, can be used as spices.
(2) 147-85-3 natural materials found in gelatin, casein, gluten, etc., in the collagen content of more,147 -85-3 physiological role and the joints, tendons function closely.


The company has Nutrition enhancers:Alpha-lipoic acid,Caffeine Anhydrous,Calcium Caseinate,Calcium citrates,Chitosan,Chondroitin Sulphate,Creatine Monohydrate,DL-Alanine,Functional red yeast rice,Glucosamine,Glycine,Inositol,L-Alanine,L-Arginine Base,L-Arginine HCL,L-Carnitine,L-Carnitine hydrochloride,L-Carnitine Tartrate,L-Leucine,L-Lysine monohydrochloride,L-lysne,L-Proline,L-Serine,L-Threonine,L-Tyrosine,MSM,Pumpkin Powder,Taurine for your choice.