• L-Proline



L-Proline is one of the most important amino acid in synthesis of body protein.It is also one of the important raw materials of amino acid infusion and synthesis of captopril and first-line antihypertensive such as the main intermediates.It has been widely used in food industries.

(1) L-Proline is a major component of collagen.

(2) L-Proline can improve plant cold tolerance.

(3) Used for malnutrition, protein deficiency, burns and postoperative protein supplements, etc.

(4) Food additives, flavor agent, and the total heat generation amino sugar - carbonyl reaction, can generate special flavoring substances.

(5) Nutritional supplements.

Product Name L-Proline
Specification 99%
EINECS No 205-702-2
Appearance White crystal Powder
Grade Food Grade
CAS 147-85-3
Storage conditions Store in cool & dry place, Keep away from strong light and heat.


Appearance White crystal Powder Complies
Odor Characteristic Complies
Tasted Characteristic Complies
Assay 99% Complies
Sieve Analysis 100% pass 80 mesh Complies
Loss on Drying 5% Max. 1.02%
Sulphated Ash 5% Max. 1.30%
Extract Solvent Ethanol & Water Complies
Heavy Metal 5ppm Max Complies
As 2ppm Max Complies
Residual Solvents 0.05% Max. Negative
Total Plate Count 1000/g Max Complies
Yeast & Mold 100/g Max Complies
E.Coli Negative Complies
Salmonella Negative Complies