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    L-Teanine

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    L-Teanine
    L-Theanine has mood-modulating activity,anti-cancer,diminishing symptoms of PMS, improving learning performance,heightening mental acuity-neurotransmitter,promoting concentration,acting antagonistically against the paralysis induced by caffeine,supporting
    L-Teanine
    L-Theanine has mood-modulating activity,anti-cancer,diminishing symptoms of PMS, improving learning performance,heightening mental acuity-neurotransmitter,promoting concentration,acting antagonistically against the paralysis induced by caffeine,supporting
    Detail

    Item

    Index

    Color

    White powder, no visible impurities by naked eyes

    Solubility

    Clear Colorless

    Soecific Rotation

    +7.5 - +8.5

    Assay (%)

    98.0 - 102

    Melting Point (°C)

    200-210

    Loss on Drying (%)

    1.0% max.

    Residue on ignition (%)

    0.2 max.

    Heavy Metals (ppm)

    20 max.

    As (ppm)

    4 max.

    Fe (ppm)

    10 max.

    Cl (%)

    0.02 max.

    PH

    5.0-6.0

    Applications

    General uses

    L-theanine may help relieve stress by inducing a relaxing effect without drowsiness and may also possess immunologic attributes. Theanine may also have effects on the cardiovascular system and play a preventative role in cancer; however, limited clinical information is available to support these claims.

     

    Cosmetics

    Green tea extract contains high levels of polyphenols, which mainly consist of four catechin derivatives: epicatechin, epigallocatechin, epicatequinagalato, and epigallocatechin-3-gallate (EGCG). This potent mixture of polyphenol derivatives makes green tea one of the most health advantageous teas in the market. In skincare and cosmetics, green tea extract has shown good skin barrier function and retention, which can enable it to serve as a viable skincare ingredient for providing antioxidant protection and moisturizing properties.

    Due to its high concentration of polyphenols, topical application of green tea extract can equip the skin with strong antioxidant properties that help to neutralize free-radicals present in the environment. In addition, topical green tea extract has also been found to boost overall skin hydration by improving moisture-retention at the skin’s surface. This moisturizing benefit may also help to improve skin roughness, leaving skin to feel soft and smooth.

     

    Pharmaceutical

    Evidence from clinical trials suggests that green tea plays a role in metabolic syndrome because it may have an impact on body weight, glucose homeostasis, and other cardiovascular risk factors. It has yet to be determined whether green tea is an agent in cancer prevention; however, a role in the prevention of stroke has been suggested. Topical applications have been studied for protection from ultraviolet (UV) damage, and a commercial preparation has been approved for use in the treatment of anogenital warts.

     

    Other Functions

    1. Stress: Theanine may help reduce the negative effects of stress.

    2. Immunity: Taking green-tea-derived theanine and antioxidants in supplement form may help prevent theflu.

    3. A combination of theanine and caffeine may help improve cognitive performance.

     




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    Tel: +86-898-68502295  68502296  Fax: +86-898-68502297

    E-mail: wgchem@zxchemwg.com

     

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