Description
L-Theanine is an amino acid and a glutamic acid derivative that is found in tea that is used as a nutritionial supplement.
Synonyms: N-gamma-Ethyl-L-glutamine ; L-Glutamic Acid gamma-(ethylamide)
L-Theanine
| Weight | 2 lbs |
|---|---|
| Dimensions | 2 × 2 × 2 in |
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Specifications
Appearance: White crystalline powder
Solubility: Clear, colorless solution (1.0 g/20 ml)
Melting Point: 202-215 ºC
Heavy Metals: ≤ 10 ppm
Anion Chloride: (Cl-): ≤ 0.02%
Sulfate (SO42-): ≤ 0.015%
Cation Arsenic (As): ≤ 1 ppm
pH 4.5-6.0 (C=1% in H2O)
Yeast and Mold ≤ 100 cfu/g
Optical Rotation [a]D20 = +7.7 to + 8.5º
Transmission ≥ 90%
Loss on Drying ≤ 0.5%
E. Coli, Salmonella,
S.Aureus Absent/10 g
Residue On Ignition ≤ 0.2%
Assay by titration ≥ 99%
Safety and Handling
Storage Store at 0-8 °C