Description

L-Theanine is a unique non-protein amino acid primarily found in green tea leaves, known for its ability to promote relaxation without drowsiness. This compound is highly valued for its role in modulating neurotransmitters in the brain, supporting cognitive function and stress management. It is a critical ingredient for manufacturers in the nutraceutical, functional food and beverage, and pharmaceutical industries seeking to formulate products for mental wellness and focus.

Application

• Dietary Supplements & Nootropics: Key ingredient in capsules, tablets, and powders designed to reduce stress, improve focus, and support cognitive health.
• Functional Foods & Beverages: Incorporated into teas, energy drinks, snack bars, and confectionery to provide calming and focusing benefits.
• Pharmaceutical Intermediates: Used in the research and development of pharmaceutical formulations targeting anxiety, sleep disorders, and neurological conditions.
• Cosmetic & Personal Care: Utilized in skincare products for its potential anti-stress and soothing properties on the skin.
• Animal Nutrition: Applied in pet food and animal health supplements to promote calm behavior in companion animals and livestock.

Basic Information

Product Name	L-Theanine
CAS No.	34271-54-0
Molecular Formula	C7H14N2O3
Molecular Weight	174.20 g/mol
Synonyms	N5-Ethyl-L-glutamine; γ-Glutamylethylamide; Suntheanine®; Theanine; L-γ-Glutamylethylamide; (2S)-2-Amino-4-(ethylcarbamoyl)butanoic acid; 5-N-Ethyl-L-glutamine
EINECS	251-875-7

Quality Control

Our L-Theanine is produced under strict quality management systems. We offer grades compliant with FCC (Food Chemicals Codex), USP (United States Pharmacopeia), and Kosher/Halal standards, ensuring suitability for global food, supplement, and pharmaceutical applications. Every batch is supported by a comprehensive Certificate of Analysis (COA) verifying identity, purity, and safety.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference standard
Assay (HPLC)	98.5% - 101.5%
Specific Rotation	+7.0° to +9.0°
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Total Plate Count	≤ 1000 cfu/g
Yeast & Mold	≤ 100 cfu/g
E. Coli	Negative
Salmonella	Negative

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.