xi'an land nutra co.,ltd 
L-Theanine Powder
Description of L-Theanine:
Theanine is a unique amino acid present in tea, theanine is white needle-like crystals, easily soluble in water, insoluble in organic solvents such as ethanol, and solubility is enhanced with increasing temperature. Its nature is relatively stable, even in high temperature or acidic environment, theanine will not change significantly, so in the common food processing and sterilization process, the content and nature of theanine can remain unchanged.
Specification of L-Theanine
Product Name | Factory Supply L-theanine Natural Powder | |||
Appearance | White Powder | |||
Active ingredient | L-theanine | |||
Specification | 1%~99% | |||
Test Method | UV/HPLC | |||
Function | Health protect | |||
Funtion of L-Theanine
ANXIETY RELIEF & IMPROVED SLEEP: Theanine has a calming and tranquilizing effect by modulating neurotransmitters such as increasing GABA levels and decreasing glutamate levels.
Improve cognitive performance: Theanine works synergistically with caffeine to significantly improve attention and cognition, especially in tasks that require high levels of concentration.
Improve Mood: Theanine is known as the “Amino Acid of Happiness”, which can effectively alleviate negative emotions such as anxiety and depression, and improve the sense of well-being
Enhance immunity: Theanine enhances the body’s resistance to pathogens by promoting the activity of gamma-delta T cells.
Anti-inflammatory effects: Theanine has antioxidant and anti-inflammatory effects, which can protect organs such as the liver from damage.
Application of L-Theanine
Food and beverage industry: As a quality improver and flavor additive, theanine is widely used in tea beverages and functional foods.
Health care industry: Theanine has been made into a variety of health care products, used to improve sleep, relieve anxiety and so on.
Pharmaceutical industry: Theanine has potential therapeutic value and is expected to be used in the treatment of anxiety, insomnia and other neurological problems.
Heavy Metals Analysis
| Item | Test Result | Conforms to Standard |
|---|---|---|
| Pesticide Residue (mg/kg) | 0.05 | Conforms |
| Residual Solvent | <0.05% | Conforms |
| Residual Radiation | Negative | Conforms |
| Lead (Pb) (mg/kg) | <3.0 | Conforms |
| Arsenic (As) (mg/kg) | <2.0 | Conforms |
| Cadmium (Cd) (mg/kg) | <1.0 | Conforms |
| Mercury (Hg) (mg/kg) | <0.1 | Conforms |
Microbiological Analysis
| Item | Test Result | Conforms to Standard |
|---|---|---|
| Total Plate Count (cfu/g) | 300 | ≤1,000 |
| Molds and Yeasts (cfu/g) | 29 | ≤100 |
| Coliforms (cfu/g) | Negative | Conforms |
| Salmonella (/25g) | Negative | Conforms |
Theanine Highly Effective Formula:
Theanine + Magnesium (e.g. Magnesium Glycinate)
Effects: Soothes nerves + improves sleep: magnesium ions modulate NMDA receptors and theanine promotes dopamine release, synergistically relieving muscle tension and emotional irritability.
Applications: Magnesium powdered punch at bedtime, anxiety relief tablets.
Theanine + GABA (gamma-aminobutyric acid)
Effects: Dual anti-stress: Theanine promotes the release of GABA, which directly inhibits nervous excitation, synergistically relieving stress and improving sleep quality. The combination of the two is more effective in lowering cortisol than single use.
Applications: Sleep Aid Gummies, Stress Reducing Chocolate, Anti-Anxiety Punch.
Theanine + Plant Adaptogens (e.g. Rhodiola Rosea, Ashwagandha)
Effects: Anti-fatigue + anti-stress: Adaptogens regulate the HPA axis (hypothalamus-pituitary-adrenal axis) and theanine balances neurotransmitters for people with chronic stress.
Applications: anti-stress capsules, endurance sports supplements.
Theanine + B vitamins (especially B6, B12)
Effects:Mood regulation + energy metabolism: B6 aids in the synthesis of 5-hydroxytryptophan (the happy hormone), B12 maintains neuromyelin, and works with theanine to improve depressive tendencies.
Applications:Mood management gummies, multivitamin tablets.
We offer theanine powder from three sources:
1.Natural Green Tea Extract L-Theanine: 20%, 40%, 98% (white powder)
2. Fermented L-Theanine 99%
3.Synthetic L-Theanine 99%
Natural Green Tea Extract Core Active Ingredient Specification Table
| Ingredient Type | Specification Range | Main Efficacy | Application Area | Remarks |
|---|---|---|---|---|
| Tea Polyphenols | 50%-80% | Antioxidant, Anti-inflammatory, Lipid-lowering | Health Products, Functional Beverages, Cosmetics | Main active ingredient of green tea |
| EGCG (Epigallocatechin Gallate) | High Purity ≥90% | Anti-cancer, Anti-aging, Metabolic Regulation | Pharmaceutical Raw Materials, High-end Anti-aging Products | Most active component of tea polyphenols |
| Theanine | Food Grade ≥40% | Anti-anxiety, Sleep Improvement, Enhanced Focus | Stress Reduction Foods, Brain Health Supplements | Unique amino acid with sedative effects |
| Tea Polysaccharides | 10%-50% | Immune Regulation, Blood Sugar Reduction | Diabetes Auxiliary Products | |
| Caffeine | 1%-10% | Stimulant, Metabolism Promotion | Energy Drinks, Weight Loss Products |
