Theanine is a special free amino acid in tea. Theanine is glutamic acid - ethylamide, which has sweet taste. Theanine content varies with the variety and position of tea. Theanine accounts for 1% - 2% of the weight of dry tea. Theanine in the report has a mental effect and can cross the cerebral vascular barrier. Theanine has been studied to have the potential to reduce psychological and physiological stress, to be hyperactive and to improve coordination, and it works in concert with caffeine.
| Molecular formula | c7h14n2o3 |
| Onset time | about 1 hour |
| Elimination half-life | capsule ~ 1.2 hours; green tea ~ 0.8 hours |
| Other name | àó - l-glutamylamide |
| Boiling point | 215° C (419 ° f) |
| Melting point | 74.2 ° C (345.56 ° f) |
| Water Solubility | Insoluble in ethanol and ether |
| Storage Conditions | Store at 0-5ºC |
| Vapor Pressure | 5.0X10-8 mm Hg at 25 deg C (est) |
| Odor | None (no odor) |
| Taste | Astringent, sweet |
| PH | pH of 5-6 (1% solution) |
Usage:
A non-protein amino acid mainly found naturally in the green tea plant. It may have activity in modulating the metabolism of cancer chemotherapeutics agents.Used as a food additive.The sedative effect when added to food, the flavor improvement effect of L-theanine, strengthens immunity, lowers blood pressure, improves the brain, promotes the brain's learning and memory function, and effectively enhances the liver's detoxification function.
| Company Name | Beijing TDD E-commerce Co., Ltd | Country | China |
| Business Type | Online Store | Company Size | 2000 |
| Established | December 18, 2014 | ||
| Address | Building No.3, Area 6, No.188, West of South Forth Ring Rd, Beijing, China | ||
| Main Products | PVC Resin , PP , PE , Pet , Titanium Dioxide , Pigment , Car Tire | ||
| International Commercial Terms(Incoterms): | FOB, CFR, CIF, FCA | ||
| Terms of Payment: | LC, T/T, D/P | ||
| Average Lead Time: | Peak Season Lead Time: one month, Off Season Lead Time: within 15 workdays | ||
| Number of Foreign Trading Staff: | 20~40 People | ||
| Main Markets: | Southeast Asia, Africa, Mid East | ||
| Nearest Port: | Tianjin,Qingdao,Shanghai | ||
| Import & Export Mode: | Have Own Export License | ||
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