| ≥1 piece |
Theanine is one of free amino acid extracted from green tea leaves, has the function of fatigue elimination, improve with memory, lower blood pressure, promot absorption and metabolic effects and is the 21st century health food.
The specification as following:
Natural
Theanine(by HPLC) 20%, polyphenols (by UV) ≤15%.Caffeine(by HPLC) ≤8%
Theanine(by HPLC) 40%, polyphenols (by UV) ≤10%.Caffeine(by HPLC) ≤5%
High purity
Theanine (by HPLC) ≥99%