L-Theanine is a characteristic amino acid in tea. It is synthesized by glutamic acid and ethylamine under the action of theanine synthetase in the roots of tea trees. It is an important substance to form the taste of tea, mainly manifested as fresh and sweet, and is the main component of tea to generate saliva and moisten the sweet.

L-Theanine is a white crystalline powder. Odorless, slightly sweet unique taste, soluble in water, insoluble in ethanol, ether. Natural products are mostly found in superior green tea (up to 2.2%). It can be used as food additive and nutrition fortifier.

L-Theanine is derived from tea leaves. Tea is native to eastern Asia and is a member of the Theaceae family. This evergreen shrub or tree grows to over 9 m in height and is pruned from 60 cm to 1.5 m for cultivation. Its dark green, serrated edged leaves are alternate and oval, while its white and fragrant blossoms appear singly or in clusters.

1.Theanine help reduce the negative effects of stress
2.Theanine help prevent the flu
3.Ttheanine help improve cognitive performance.
4. Theanine help relieve depression
5. Theanine shows promise as a weight loss aid

1.Applied in food field.
2.Applied in health product field.
3.Applied in pharmaceutical field.
4.Applied in cosmetics field.
5.Applied in beverage field.