8. Natural Source Green Tea Extract L-Theanine

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Theanine (L-Theanine) is a unique free amino acid, also an effective flavor substances with sweet taste in tea. Theanine content changes with the species and part of tea, which accordingly determines tea quality. In all grades of tea, theanine holds more than 50% of free amino acids, approximately 1% to 2% by weight in dry tea.

In terms of the chemical structure, theanine is similiar with the active substances - glutamine and glutamic acid in brain. It is also the main ingredient of tea to promote the production of body fluid and enhance sweet taste.

Basic Data
English Name: L-Theanine;N-Ethylglutamine
Botanical Source: camellia sinensis
Assay: 20%, 30%, 40%,50%
Appearance: brown fine powder
CAS NO.: 3081-61-6
Mole Formula: C₇H₁₄N₂O₃
Mole Weight: 174.20

Physiological actions
1. lower the blood pressure
It has been approved that theanine achieves to lower blood pressure by affecting the peripheral nervous or vascular system.
2. Anti-fatigue effects

It is helpful for people to release tensions and relax through regulating brain waves.

3. Anti-tumors
4. Absorptions & metabolization

Same as other amino acids, theanine is absorbed in intestinum tenue. It is metabolized by kidney.
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