Theanine was first separated from green tea in 1950. It is a characteristic amino acid of tea and one of the flavoring substances of tea. It has a strong positive correlation with the quality of green tea, with a correlation coefficient of 0.787~0.876. Among more than 20 kinds of amino acids in tea, theanine accounts for 50%~60% of the total amino acids in tea; It has been found that, except for the trace presence in camellia, mushrooms, camellia oleifera and other plants, it has not been found in other plants.

【Name】: Theanine 
【Molecular Formula】: C₇H₁₄N₂O₃

【Specification】: Tea Extract：20%，40%
                              Fermentation：98%

【Package】: 1Kg, 25Kg/bag

【Maximum levels】：400mg/day

【Function】：1.Lower blood pressure.
                         2.Tumor inhibition 
                         3.Relaxation and nervousness
                         4.Weight management.