CAS No. 3081-61-6
3081-61-6
C7h14n2o3
221-379-0
Paper
Normal
>12 Months
Amino Acid
Natural
>90%
White Crystalline Powder
1.2±0.1 g/cm3
1.2±0.1 g/cm3
207°c
214.0±27.3 °c
T/T, L/C, D/P, D/a, OA etc.
Prompt Shipment
Free
AQ
Paper Bags
25kg Bags
China
2924199090
Product Description
Product Description
L-Theanine (L-Glutamic Acid γ - ethylamide) is a non protein amino acid substance
present in green tea leaves, which can block the binding of glutamate to glutamate
receptors in the brain and has neuroprotective and antioxidant activities.
L-theanine uses
L-theanine is used to make seasonings. L-theanine is mainly used in green tea and as
a nutritional enhancer.
Preparation of L-theanine
Natural products are more commonly found in high-quality green tea (up to 2.2%).
Pyrrolidone carboxylic acid is prepared by heating L-glutamic acid under high pressure.
Make it into copper salt, then add anhydrous ethylamine, and heat it under high pressure
to obtain L-theanine.


L-theanine product package
25kg/bag or according to client request.
Our services
1.We have over 20 years producing experience, adopt advanced production and inspection
equipment,optimize production process, to guarantee and improve product quality.
2. Provide samples free of charge.
3. Factory price, no middleman increases costs.
4. Packaging can be customized according to customer requirements
5. We provide commercial invoice, packing list, shipping order, COA, health certificate and
certificate oforigin, etc. If your market has any special requirements, please let us know.
6. We can accept various payment methods, such as L / C, t / T, D / A, D / P, O / A, PayPal,
Western Union,etc
7. Timely delivery. We have good cooperation with many professional freight forwarders.
Once you confirmthe order, we can send the products to you.




FAQ
Q1: Are you manufacturer?
A1:Yes, we are professional manufacturer
Q2:Can I get a sample?
A2:Surely, few quantity samples can be provided for free, but the courier cost should be
paid by you first,and we will return to you in our first cooperation.
Q3:What's your supply capacity?
A3:Our supply capacity is 1000 metric tons/month.
Q4:What's your delivery time?
A4:Usually we will arrange the shipment in 2-3 weeks.
L-Theanine (L-Glutamic Acid γ - ethylamide) is a non protein amino acid substance
present in green tea leaves, which can block the binding of glutamate to glutamate
receptors in the brain and has neuroprotective and antioxidant activities.
Test items | Index |
Product Name | L-Theanine/L-Glutamic Acid γ - ethylamide |
Accurate Mass | 174.100449 |
LogP | -1.02 |
Vapor Pressure | 0.0±2.2 mmHg at 25°C |
Refractivity | 1.492 |
Storage Conditions | Sealed in a cool and dry environment |
Stability | Odorless, with a slightly sweet taste and a taste threshold of 0.15%. Decomposition temperature: 214-215 ºC. |
Solubility | Soluble; Insoluble: Ether, Alcohol |
Application | L-theanine is used as a food additive |
L-theanine is used to make seasonings. L-theanine is mainly used in green tea and as
a nutritional enhancer.
Preparation of L-theanine
Natural products are more commonly found in high-quality green tea (up to 2.2%).
Pyrrolidone carboxylic acid is prepared by heating L-glutamic acid under high pressure.
Make it into copper salt, then add anhydrous ethylamine, and heat it under high pressure
to obtain L-theanine.



25kg/bag or according to client request.

1.We have over 20 years producing experience, adopt advanced production and inspection
equipment,optimize production process, to guarantee and improve product quality.
2. Provide samples free of charge.
3. Factory price, no middleman increases costs.
4. Packaging can be customized according to customer requirements
5. We provide commercial invoice, packing list, shipping order, COA, health certificate and
certificate oforigin, etc. If your market has any special requirements, please let us know.
6. We can accept various payment methods, such as L / C, t / T, D / A, D / P, O / A, PayPal,
Western Union,etc
7. Timely delivery. We have good cooperation with many professional freight forwarders.
Once you confirmthe order, we can send the products to you.





Q1: Are you manufacturer?
A1:Yes, we are professional manufacturer
Q2:Can I get a sample?
A2:Surely, few quantity samples can be provided for free, but the courier cost should be
paid by you first,and we will return to you in our first cooperation.
Q3:What's your supply capacity?
A3:Our supply capacity is 1000 metric tons/month.
Q4:What's your delivery time?
A4:Usually we will arrange the shipment in 2-3 weeks.