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L-theanine is an active ingredient in green tea extract. It offers multiple functions including relaxing the nervous system, improving sleep quality, assisting mood regulation, protecting nerves, and supporting immune function. It is widely used in dietary supplements and health care products. We supply >99% purity L-theanine that complies with FDA relevant regulations and ISO 22000 production requirements. Complete technical documents such as COA and MSDS are available to support your R&D and global market entry.
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Green Tea Extract Tea Polyphenol 30%-98% EGCG 90% / 95% / 98%| Items | Specifications | Results |
|---|---|---|
| Appearance | White crystals or crystalline powder | Conforms |
| Solution clarity | Clear and colorless | Clear and colorless |
| Assay | 98.5~102% | 99.53% |
| Residue on ignition | ≤0.10% | 0.06% |
| Chloride(Cl) | ≤0.02% | <0.02% |
| Loss on drying | ≤1.0% | <0.10% |
| Specific rotation [α]D25 | 7.7° ~ 8.5° | 7.95° |
| pH | 4.5 ~ 6.0 | 5.38 |
| Melting point | 202-215℃ | 206-207℃ |
| State of solution (Transmittance), % | ≥98.0 | 99.58 |
| Heavy metals | ≤10ppm | <10ppm |
| Arsenic (As) | ≤2ppm | <2ppm |
| Weight | Packing Method |
|---|---|
| 1kg | Bag/kg, outer box (Double plastic bag + Aluminum foil bag inside) |
| 10kgs, 25kg or more | Drums or carton (Double-layered plastic bag inside) |
| Weight | Delivery Method | Delivery Time | Destination |
|---|---|---|---|
| 1kg - 25kgs | EMS, DHL, UPS, FedEx | 3-7 days | Door to door |
| 25kgs - 100kgs | DHL, FedEx, by Air | 3-7 days | Door to airport (or door to door via air express) |
| More than 100kgs | By Air | 3-7 days | Door to airport |
| By Sea | 10-35 days | Door to port |
