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Hot Sale Natural Green Tea Extract - L-Theanine


Theanine (L-Theanine) is an amino acid unique to tea. The naturally occurring theanine is L-type. The pure product is a white needle-like crystal with a melting point of 217℃～218℃ and a specific optical rotation [α]D20=0.7 °, very soluble in water, insoluble in organic solvents such as ethanol and ether, the aqueous solution is slightly acidic, with sweet and fresh taste, and is the component of the taste of tea. Tea contains about 1% to 4% of amino acids. 26 kinds of amino acids have been found, including 20 kinds of protein amino acids and 6 kinds of non-protein amino acids. Among them, the most important ones are theanine, glutamic acid, aspartic acid and Arginine. Especially theanine, which is almost unique to tea, accounts for 1% to 2% of the dry matter of tea, and accounts for about 50% of all amino acids.

The main source of natural theanine on the market comes from green tea. Green tea is one of the main types of tea in China. It is made from the new leaves or buds of the tea tree without fermentation, and is made by greening, shaping, drying and other processes. It retains the natural substances of fresh leaves, and contains tea polyphenols, Nutrients such as catechins, chlorophyll, caffeine, amino acids, and vitamins.

*L-Theanine is a tea beverage quality improvement.

At present, due to the limitation of raw materials and processing technology, the fresh and refreshing taste of tea beverages in my country is poor. Theanine is the main component of the fresh and refreshing taste of tea, and can alleviate the bitter taste of caffeine and tea polyphenols. Therefore, in the production process of tea beverages Adding a certain amount of theanine can significantly improve the quality and flavor of tea beverages.

*Theanine can be used as a functional food additive.

Theanine has the functions of enhancing the alpha wave intensity in the brain, making people feel relaxed and improving memory, which has been confirmed by human experiments. Therefore, it can be added to food as a functional ingredient to develop a nervous tension-relieving and intellectual functional food. Such as black tea concentrated extract (Bx=20) 5%, filling (Bx=7.5) 5%, granulated sugar 15%, gelling agent 1%, theanine 0.2%, citric acid 0.2%, sodium citrate 0.2%, Add water to 100% to make black tea jelly. Brain waves were measured 60 minutes after eating, every 5 minutes, and it was found that the amount of alpha waves increased immediately after eating, and increased significantly after 30 minutes, up to 1.6 times. Studies have also confirmed that theanine can be added to candy, various beverages, etc. to obtain a very good sedative effect.

Theanine can not only be used as a flavor modifier of green tea, but also can inhibit bitterness and astringency in other foods, so as to improve the flavor of food. Cocoa beverages and barley tea have a unique bitter or astringent taste. Adding sweeteners will have an unpleasant taste. If 0.01% theanine is used to replace the sweetener, the results show that the flavor of the beverages is greatly improved after adding theanine.

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