Product

L-Theanine (Fermentation)

Product Introduction------L-Theanine (Fermentation)

L-theanine in nature only exists in tea plants accounting of 1%2% of dry tea in free state, and is the main amino acid in tea accounting of some 50% of free amino acids. L-theanine is essential to human body, which can not synthesize and shall be supplied externally.

We adopts fermentation process technology and we are the only one manufacturer in China that produces fermented L-theanine.


Product specification ------L-Theanine (Fermentation)

Items

Standard

Appearance

White to off-white crystal or crystalline powder

Solution

colorless

pH

5.06.0

Specific rotation

+7.5°to+8.5°

Loss on drying

Not more than 1.0%

Residue on ignition

Not more than 0.2%

Heavy metalsPb

Not more than 20ppm

ChlorideCl

Not more than 0.02%

ArsenicAs

Not more than 4ppm

IronFe

Not more than 10ppm

Chiral purity

≥99.5%

Assay

98.0102.0%

Type

Fermented L-theanine

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