Function
1. L-proline benzyl ester hydrochloride and its derivatives are often used as asymmetric catalysts in organic reactions. The CBS reduction and proline catalysed aldol condensation are prominent examples.
2. L-proline is an osmoprotectant and therefore is used in many pharmaceutical, biotechnological applications.
In brewing, proteins rich in proline combine with polyphenols to produce haze.
3. L-proline is one of the important amino acids for synthesizing human protein. It is widely used in the food and medical industry, and is an important intermediate for synthesizing ACE inhibitors such as Captopril and Enalapril. It is also one of the important raw materials of amino acid transfusion.
4. L-proline has been used universally as food additive, catalyst and raw materials of fine chemical industry.

Application
 1. L-Proline is a major component of collagen.
 2. L-Proline can be used in medicine. L-Proline is one of the raw material compound amino acid infusion. It is used for malnutrition, protein deficiency, protein supplements serious gastrointestinal diseases, burns and after surgery. No significant side effects.
 3. L-Proline can improve plant cold tolerance.
 4. L-Proline can repair the enamel.
 5. L-Proline can be used as nutritional supplements, flavor enhancers. Occurring amino sugar were hot -carbonyl reaction, it can generate a  special flavor substances. 

Shandong Longilat Biotechnology Co., Ltd was established in 2015. It is a high-tech professional and technological enterprise integrating R & D, production, and sales. 

Longilat 's main products are food additives, plant extracts, cosmetic raw materials, feed additives, animal extract, amino acids and vitamins. Most of our products are derived from natural plants. Marketing services are available in many countries around the world. 

1.Can I get some samples?
Yes, usually a 10-20g sample.

2.What's your MOQ?
Our MOQ is flexible, usually 1kg-10kg for a trial order is acceptable.

3. Is there a discount?
Of course, welcome to contact us. Price would be different based on different quantities. For bulk quantity, we will have a discount for you.

4. How to deliver the goods?
≤50kg ship by FedEx or DHL etc, ≥50kg ship by Air, ≥100kg can be shipped by Sea. If you have special request on delivery, please contact us.

5. What is the shelf life for the products?
Most products shelf life 24-36 months. 

6. What's your delivery time?
Usually, shipment will be made within 7-15 days against confirmed order.

7. How about the validity of the offer? 
Usually, our offer is valid for 1 week. However, validity might vary between different products.