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        Food AdditivesYour current location: Products >> Food Additives
        L-Theanine (Fermentation)
        Customer Service:     E-mail:sales@jsjpharm.cn

        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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