N5-ethyl-L-glutamine

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Synonyms:
L-Theanine
THEANINE,L
L-Glutamic acid γ-(ethylamide)
N-γ-Ethyl-L-glutamine
L-TheaMine
SUNTHEANINE
(S)-2-Amino-5-(ethylamino)-5-oxopentanoic acid
theanine
N'-Ethyl-L-glutamine
N(5)-ethyl-L-glutamine
L-γ-Glutamylethylamide
 
Molecular Formula:  C7H14N2O3
Molecular Weight: 174.19800
 
Uses: L-Theanine (L-Glutamic Acid γ-ethyl amide) is a non-protein amino acid substance present in green tea leaves, which can block the binding of glutamate and glutamate receptors in the brain, and has neuroprotective and antioxidant activities . L-Theanine (L-Glutamic Acid γ-ethyl amide) can be taken orally to inhibit the excitation of cortical neurons to produce anti-stress effects.
 
Items of Analysis Standard of Analysis Test Results
Description White crystals or crystalline powder White crystalline powder
Melting point 202.0-215.0℃ 203.5~204.0℃
Specific rotation (C=1,H2O) +7.50o~+8.5o +8.1o
Loss on drying ≤2.0% 0.35%
Residue on ignition ≤0.2% 0.04%
PH 5.0-6.0 5.1
Assay 98.0%-102.0% 99.1%
Heavy metals (Pb) ≤10 ppm <10 ppm
Chloride(Cl) ≤0.02% <0.02%
Arsenic(As2O3) ≤l ppm <1 ppm
Total plate count ≤1000 cfu/g <1000 cfu/g
Yeast & Mold ≤1000 cfu/g <1000 cfu/g
E. Coli absent conform
Salmonella absent conform
Conclusion Conforms to Factory Standard
 

 

N5-ethyl-L-glutamine


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