L-Theanine
Category: amino acids  Publish Time: 2013-07-12 09:38 

L-Theanine
What does L Theanine do for you?

Theanine is an amino acid found in green tea.Theanine may treate anxiety and high blood pressure, for preventing Alzheimer’s disease, and for making cancer drugs more effective.

Product: L-Theanine

CAS NO.: 3081-61-6
Molecular Formula: C7H14N2O3
Molecular Weight: 174.2


Item

specification

Appearance

White crystalline powder

Specific rotation(a)D20

(C=1 , H2O )

+7.7o to +8.5o

Solubility (1.0g/20ml H2O)

Clear Colorless

Melting Point ( ℃)

211-216 ℃

Chloride(C1)

Not more than 0.02%

Iron(Fe)

Not more than 10ppm

Heavy metals( Pb )

Not more than 10ppm

Arsenic(As2O3 )

Not more than 4ppm

Loss on drying( 100 ℃ 3h)

Not more than 0.50%

Residue on ignition

Not more than 0.2%

Assay

98.0-102.0%

PH

5.0~6.0

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