Green Tea Extract L-theanine Powder 

L-Theanine Powder, CAS No 3081-61-6, is also known as Glutamic Acid γ-Ethylamide. Green Tea Extract L-Theanine is a unique free amino acid in tea, and its content varies with the variety and location of tea, usually 1% to 2% in dry tea, and also 1% to 2% in new tea, and its content decreases with the fermentation process.  Insen Biotech can extract Green Tea L-Theanine from tea to highest purity 98%, and Herbal Extract Powder L-Theanine usually appears brown yellow to off white according to the specifiations. Besides, Synthetic 99% L Theanine is also available if you have demands.  Product name:   Green Tea Extract L-Theanine  Appearance:   Brown yellow to white powder  Purity  10%-98%  Test method:  HPLC…