L-Theanine powder Raw Materials CAS 3081-61-6

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Uses and synthesis of L-Theanine powder

Theanine is an amino acid found only in tea, and tea contains the most theanine. L-Theanine powder is synthesized in the root of tea tree, transferred to the leaves through the branches, and accumulated in the leaves. Theanine will be converted into catechic acid under sunlight. Therefore, L-Theanine powder has a higher content in high-grade green tea cultivated under dark light, but a lower content in ordinary crude tea, and the content of polyphenols is increased. L-Theanine, as an alkylamine, activates gamma-T immune cells to promote cell proliferation and cytokine secretion, enhance the ability to fight tumor cells and reduce infection by external microorganisms, reducing the body's chance of cold and flu.

Applications/Functions of L-Theanine powder

1. Seasoning. Mainly used for green tea, dosage is not specified. Nutritional supplements.
2. L-Theanine powder is used as a food additive
3. When added to food, the sedative effect, the flavor improvement effect of L-Theanine, enhance immunity, reduce blood pressure function, improve the brain, promote the brain's learning and memory function, effectively enhance the liver detoxification function of theanine, the antihypertensive effect

Physicochemical Property of L-Theanine powder

White crystalline powder. Odorless, slightly sweet characteristic taste, taste threshold 0.15%. Decomposition temperature 214 ~ 215℃. Soluble in water, insoluble in ethanol, ether. Natural products are more present in high-quality green tea (up to 2.2%).

Production methodprocess of L-Theanine powder

Pyrrolidone carboxylic acid is prepared by heating L-glutamic acid under high pressure. It is made into copper salt, then anhydrous ethylamine is added, and then heated under high pressure to obtain L-Theanine powder.

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