Basic Information
| Product Name | L-Theanine |
|---|---|
| Synonym | Null |
| Latin Name | Null |
| CAS Number | 3081-61-6 |
| Part Used | Null |
| Origin | China |
| Trademark | JINGMU |
| HS Code | 1302199099 |
| Grade | Food Grade |
| Appearance | White Powder |
| Specification | 99% |
| Solubility | Solutable in Water |
| Test Method | HPLC |
| Free Sample | 20g or 50g is avaliable |
| Production Capacity | 2 Tons/Month |
Description
L-Theanine, a unique amino acid predominantly found in green tea (Camellia sinensis), has garnered scientific interest for its dual capacity to promote relaxation and enhance cognitive focus. Constituting approximately 1%-2% of the dry weight of tea leaves, it is water-soluble and heat-stable, making it highly bioavailable. Modern studies confirm that L-Theanine crosses the blood-brain barrier within 30-50 minutes of ingestion, modulating neurotransmitters such as GABA, serotonin, and dopamine without inducing sedation. Its stereochemical structure enables interaction with glutamate receptors, contributing to neuroprotective effects.
Purified L-Theanine (≥98% purity) retains the natural benefits of tea-derived compounds in a concentrated form. It is commercially available as a white crystalline powder with neutral flavor and odor, ensuring seamless integration into foods, beverages, nutraceuticals, and cosmetics.
Function
L-Theanine is distinguished by its ability to harmonize mental states through evidence-backed mechanisms. Clinically validated functions include:
- Stress Modulation: Reduces cortisol levels by 15-20% in acute stress scenarios, as shown in randomized trials.
- Cognitive Enhancement: Improves alpha brain wave activity by 35-45%, correlating with heightened attention and creativity during tasks.
- Sleep Quality: Synergizes with melatonin to increase sleep efficiency by 12-18% in insomnia models.
- Cardiovascular Support: Lowers systolic blood pressure by 5-8 mmHg in hypertensive individuals through nitric oxide pathway regulation.
- Immune Function: Augments CD4+ T-cell activity by 20-25% during immune challenges.
- Neuroprotection: Demonstrates 30-40% reduction in oxidative neuronal damage in preclinical Alzheimer’s models.
Its amphipathic properties enable dual-phase solubility, allowing incorporation into lipid-based and aqueous formulations.
Application
As a multifunctional bioactive, L-Theanine serves:
- Functional Foods: Added to ready-to-drink teas (50-100mg/serving), protein bars, or chewing gum for on-the-go stress management.
- Nutraceuticals: Formulated in delayed-release capsules (100-400mg/dose) with adaptogens like ashwagandha for adrenal support.
- Cosmeceuticals: Incorporated into anti-pollution serums (1-3% concentration) to counteract urban stress-induced skin glycation.
- Pharmaceuticals: Investigated as an adjuvant in chemotherapy regimens to reduce neurotoxic side effects.
- Veterinary Products: Used in pet calming treats (10mg/kg body weight) with chamomile extracts.
