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Home Nutrition enhancers L-Proline
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L-Proline is a colorless to white crystal or crystalline powder. Widely used in food industry, pharmaceutical industry,biotechnology.

Fooding is a L-Proline Manufacturers, Suppliers and Wholesalers in China. You can inquiry L-Proline price by email us: or leave message on the Fooding web. Fooding ensure you can buy L-Proline with a good L-Proline price.

Discount Prices Available for Larger Orders.



  • 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
  • Applications:L-Proline used in nutritional supplements, flavor agent, can generate a special flavor.
  • Tel: +86-21-50321522
  • Fax: +86-21-51069122
  • Email:
  • Product Information

    Product Description
    Safety Ratings Key
    Gluten free
      • 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
    L-Proline is a colorless to white crystal or crystalline powder. Orthorhombic as anhydrous, monoclinic with a crystal water molecules. L-Proline, odorless, has a strong sweet taste. Melting point 200 ℃ (decomposition). Impurities are hygroscopic. Asia because of L-Proline 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 is an important amino acid synthesis of human proteins, one amino acid infusion is an important raw material, but also the synthesis and other first-line antihypertensive drugs, mainly intermediate, L-Proline has been widely used in food and pharmaceutical industries.

    L-Proline use:
    (1) flavor enhancer; nutritional supplements. L-Proline were fever occurs with sugar amino - carbonyl reaction, can generate a special flavor, can be used as spices.
    (2) L-Proline natural materials found in gelatin, casein, gluten, etc., in the collagen content of more, L-Proline physiological role and the joints, tendons function closely.

    References on L-Proline

    [1]. Nam SY, Yoou MS, Kim HM, Jeong HJ. Efficacy of proline in the treatment of menopause. Exp Biol Med (Maywood). 2016 Mar;241(6):611-9.

    [2]. Panda R, Fiedler KL, Cho CY, Cheng R, Stutts WL, Jackson LS, Garber EA. Effects of a Proline Endopeptidase on the Detection and Quantitation of Gluten by Antibody-Based Methods during the Fermentation of a Model Sorghum Beer. J Agric Food Chem. 2015 Dec 9;63(48):10525-35.

    [3]. Jensen JV, Eberhardt D, Wendisch VF. Modular pathway engineering of Corynebacterium glutamicum for production of the glutamate-derived compounds ornithine, proline, putrescine, citrulline, and arginine. J Biotechnol. 2015 Nov 20;214:85-94.

    [4]. McRae JM, Ziora ZM, Kassara S, Cooper MA, Smith PA. Ethanol Concentration Influences the Mechanisms of Wine Tannin Interactions with Poly(L-proline) in Model Wine. J Agric Food Chem. 2015 May 6;63(17):4345-52.


    Support & FAQs

    1. What's your payment terms?

    T/T or LC.

    2. What's your delivery time?

    Usually we will arrange the shipment in 7 -15 days.

    3. How about the packing?

    Usually we provide the packing as 25 kg / bag or carton. Of course, if you have special requirements on them, we will according to you.

    4. How about the validity of the L-Proline?

    According to the L-Proline you ordered.

    5, What is the MOQ of L-Proline ?

    Different products have different MOQ, for L-Proline , the MOQ is 1000kg.

    6, What is the price of L-Proline ?

    Fooding has been corporate with many L-Proline manufacturers for several years, we can provide you with best price of L-Proline.

    7, How long shall we wait for your reply?

    We can guarantee to reply your inquiries of L-Proline in one working days.

    8. What documents you provide?

    Usually, we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificat and Origin certificate. If your markets have any special requirements, let us know.

    9. What is loading port?

    Usually is Shanghai or Qingdao.


    Our Services
    1. Supply high quality products with a reasonable price in additives industry.
    2. Arrange the orders and shipping with cus requests in time, According to the different countries export policy provide complete customs clearance documents.
    3. Provide agile and safe payments.
    4. We can in charge of all if our products have quality problems.
    5. Provide a price trend, ensure the clients can know about  marketing informations in time.
    6. Have offices at Mexico, Clients can get our company information from here, discuss the prices and delivery time face to face.