Theanine (sometimes referred to as "L-theanine") is an amino acid found naturally in green tea. Also available in supplement form, theanine is said to offer a number of health benefits.
Proponents claim that theanine can help with the following health problems:
Anxiety
Depression
High blood pressure
High cholesterol
Insomnia
Stress
Theanine is also purported to increase concentration, promote weight loss, and boost the immune system.
| Product Name | Theanine |
| Purity | 99% |
| CAS NO. | 3081-61-6 |
| MF | C7H14N2O3 |
Boiling point: 427.1 °C at 760 mmHg
Flash point: 212.1 °C
Refractive index: 8 ° (C=5, H2O)
Density: 1.171
Product Name: L-theanine | CAS No.: 3081-61-6 |
Molecular Formula: C7H14N2O3 | Molecular Weight: 174.2 |
Analysis | Specification | Result | Test Method |
Physical Description | |||
Appearance | White crystalline powder | White crystalline powder | Visual |
Solubility (1.0g/20ml H2O) | Clear Colorless | Clear Colorless | Visual |
PH | 5.0-6.0 | 5.14 | CHP2020 |
Specific rotation(a)D20 (C=1 , H2O ) | +7.7° ~ +8.5° | CHP2020 | |
Melting point | 202-215℃ | 202.5-203℃ | CHP2020 |
Chemical Tests | |||
Assay (HPLC)
| 98.0-102.0% | 99.23% | HPLC |
Chloride(Cl) | 0.02% Max | <0.02% | CHP2020 |
Residual on ignition | 0.2% Max | 0.03% | CHP2020 |
Loss on drying | 0.5% Max | 0.21% | CHP2020 |
Heavy metals (as Pb) | 10.0ppm Max | <10.0ppm | CHP2020 |
Arsenic (as As) | 1.0ppm Max | <1.0ppm | CHP2020 |
Microbiology Control | |||
Total plate count | 1000cfu/g Max | <1000cfu/g | CHP2020 |
Yeast & Mold | 100cfu/g Max | <100cfu/g | CHP2020 |
E. Coli | Absent | Absent | CHP2020 |
Salmonella | Absent | | CHP2020 |
Conclusion | Complies with the JP2000 Standard. | ||
General Status | Non-GMO, ISO Certificated. | ||
Packing and Storage | |||
Packing: Pack in paper-carton and two plastic-bags inside. | |||
Shelf life: 2 year when properly stored. | |||
Storage: Store in a well-closed place with constant low temperature and no direct sun light. | |||