| Customization: | Available |
|---|---|
| Color: | White |
| Appearance: | Powder |
|
Still deciding? Get samples of US$ 1/Piece
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
L-Theanine is a unique free amino acid in tea, and theanine is glutamic acid γ- Ethylamide is a white acicular substance, easily soluble in water, with sweet taste, fresh taste and sweet taste. Theanine content varies with tea varieties and parts. Theanine accounts for 1-2 by weight in dry tea. Theanine is similar to the brain active substances glutamine and glutamic acid in chemical structure, and it is the main component of the tea to generate saliva and moisten the sweet. Therefore, it is commonly used as a tea improver. At the same time, theanine has the effect of anti fatigue and is also used as a functional additive such as a tranquilizer.
| Test items | Standard | Result |
| Appearance | White powder | White powder |
| Assay (HPLC) | 98.0 - 102.0% | 99.25% |
| Specific rotation (a)D20 (C=1 , H2O ) |
+7.7°+8.5° | 8.05° |
| Solubility (1.0g/20ml H2O) | Clear Colorless | Clear Colorless |
| Chloride (CL) | ≤ 0.02% | <0.02% |
| Loss on drying | ≤1.0% | 0.35% |
| Residue on ignition | ≤0.2% | 0.12% |
| pH | 5.0 - 6.0 | 5.13 |
| Heavy metals (as Pb) | ≤10 ppm | <10ppm |
| As | ≤1 ppm | <1ppm |
| Total Plate Count | < 1000cfu/g | Conforms |
| Yeast and Mold | <100cfu/g | Conforms |
| Salmonella | Absent | Conforms |
| E.Coli | Absent | Conforms |
| Conclusion: conforms with above in-house specification | ||
Theanine is a characteristic amino acid of tea. L-theanine is a kind of condiment, mainly used for green tea,Nutritional fortifier. Seasonings (aroma components of green tea), etc. Theanine is an antagonist of caffe ine, which can inhibit the excitement caused by caffe ine and has a calming effect. As an effective ingredient in sedatives, it can be added to some foods and drinks to promote the learning and memory functions of the brain.
In Food
Additives for functional food
Quality improver of tea beverage
Flavor improvement
In Medical
Adjuvant drugs for tumor treatment
It can prevent Parkinson's disease, senile dementia, conduction nerve dysfunction and other diseases. At present, theanine has been used to treat depression, the most common psychiatric disease in the world.
Packaging:
Standard export packing (25KGS/bag).
Storage:
Store in a closed, cool and dry place
Our service :
1.Free sample
2.Owning cultivation base as 100% Natural material stable source.
3.Manufacturer direct supply, Powerful R&D team and advanced test center
4.Leading plant extract manufacturer in China.
5.No excuse return of goods
6.OEM & ODM is available
Q&A
Q1: How to confirm the Product Quality before placing orders?
A: By sending you our available samples.
Or if you have special requirement on the goods, we can prepare samples according to your requirement for your confirmation.
Q2: Can you supply free samples?
A: Yes, we can provide some free sample, but the shipping cost should be on the customers' account. You can either pay the shipping cost or arrange a courier to collect the samples.
Q3: What's the MOQ?
A: For the high value product, our MOQ starts from 1g and generally starts from 10g.
For other low value product, our MOQ starts from 100g and 1kg.
Q4: How to place order and make payment?
A: You can send our your Purchase order(if your company has), or just send a simple confirmation by email or by TradeManager, and we will send you Proforma Invoice with our bank details for your confirmation, then you can make payment accordingly.
Q5: How do you treat quality complaint?
A: All our products are strictly tested by our QC, and confirmed by QA; unqualified material will not be released to customer.
In case any quality problem is confirmed to be caused by us, we will replace the goods or refund your payment
){kind=link}