Share on (62230193293):

Product Name:L-Theanine
Appearance:White crystalline powder
Cas No:3081-61-6
Type: Plant Extract
Part: Leaf
| Item | Name of catechins | Short form | Ration in tea polyphenols |
| Non-ester | (+)catechin (-)epicatechin (+)gallocatechin (-)epigallocatechin | D,L-C L-EC D,L-GC L-EGC | 0.40 1.30 2.00 12.00 |
| Ester casthins | (-)epicatechin gallate (-)epigallocatechin gallate | L-ECG L-EGCG | 18.10 58.10 |
1.L-Theanine will reduce blood pressure,blood sugar,blood lipids
2.L-Theanine powder with the function of removing radicals and anti-aging;
3.Green tea extract l-theanine can enhance the immune function and prevention of colds;
4.Green tea extract l-theanine will anti-radiation,anti-cancer, inhibiting the increasing of cancer cell;
5.Green tea extract l-theanine powder used to anti-bacterium, with the function of sterilization and deodorization.



Qingdao Sigma Chemical Co.,Ltd is a global chemical industry manufacturers and suppliers of pharmaceuticals
and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
The aim of Qingdao Sigma Chemical Co.,Ltd is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.


New products from manufacturers at wholesale prices