L-Theanine has antioxidant, immune, anti-aging and other effects.
As the characteristic non-protein amino acid with the highest content in tea, L-theanine is safe and has no toxic side effects, and has a variety of biological activities such as antioxidant, immune regulation, anti-aging, and antagonistic cell excitatory toxicity caused by excess glutamate. At the same time, L-theanine, as an alkyl amine, can activate γ-T immune cells to promote cell proliferation and cytokine secretion, enhance the ability to resist tumor cells and reduce the infection of external microorganisms, reducing the chance of colds and flu.
|Appearance||White or slightly yellow crystal or crystalline powder||White crystalline powder|
|Loss on drying||≤1.0%||0.42%|
|Residue on ignition||≤0.2%||0.05%|
|Appearance:||White or slightly yellow crystal or crystalline powder|
Used as a food additive.
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