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Company Name: Ronas Chemicals Ind. Co., Ltd.
Country/Region: Taipei, Taiwan
Address: 2 F., No. 11, Ln. 46, Dazhi St., Zhongshan Dist., Taipei City 10462, Taiwan
Zip/Post Code: 10462
Tel: 886-2-85098500
Fax: 886-2-25325605
Contact Person:Miss. Jessica Chen
Job Title: General Manager


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  • 3081-61-6

  • New Ronas

Chemical Name: L-Theanine, Ngamma-ethyl-L-glutamine

CAS No.:3081-61-6        

Molecular Formula:C7H14N2O3                                              

Molecular Weight :174.1g/mol


L-Theanine is a unique free amino acid in tea. L-Theanine is glutamic acid γ-ethylamide with sweet taste. L-Theanine content varies with the variety and location of tea. L-Theanine content is about 1-2% of the new tea, which decreases with the fermentation process.

L-Theanine is a non-protein amino acid mainly found naturally in the green tea plant. It may have activity in modulating the metabolism of cancer chemotherapeutics agents.

Synthetic method:

Pyrrolidone carboxylic acid was prepared by heating l-glutamic acid at high pressure. It was made into a copper salt, then added with anhydrous ethylamine and heated at high pressure to obtain l-theanine.



Appearance: White crystalline powder



1.      L-Theanine can be used in food areas.

2.      L-Theanine affects the central nervous system.L-Theanine significantly promotes dopamine release in the brain center, increasing the physiological activity of dopamin.

3.      L-Theanine has antihypertensive effect.L-Theanine has been shown to reduce hypertension to a certain extent can also be seen as a stabilizing effect.

4.      L-Theanine can affect memory.

5.      L-Theanine can be used as health care products.




Packing volumes: 25kg                 

Package: paper drum

Transportation: by sea or by air 


Competitive Price:
Place of Origin: China (mainland)
Sales Method: Export, Manufacture, Wholesale, OEM/ODM
Payment Term: T/T
Material/Components: L-Theanine
product shape: powdery


Ronas Chemicals Ind. Co., Ltd. is a leading multinational chemical company dedicated to becoming a world leader in the industry. We specialize in manufacturing and supplying bulk chemicals as an OEM manufacturer and supplier.

Our diverse product portfolio includes pharmaceuticals, organic/inorganic chemicals, fine chemicals, food/feed additives, food ingredients, pharmaceuticals, cosmetics, colorants, oleochemicals, and intermediates. Whether our customers require high-quality raw materials, intermediate products, or customized solutions, we provide comprehensive products and services to meet their needs.

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