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        Food AdditivesYour current location: Products >> Food Additives
        L-Levodopa (Fermentation)
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        Product Introduction-----L-Levodopa(L-DOPA)

        L-Levodopais produced by method of Fermentation process which is a green and environmental line. It can be better to relief the environment press than chemical synthesis.


        Product specification-----L-Levodopa(L-DOPA)

        Item

        Standard

        Appearance

        White to slightly cream coloured, crystalline powder

        Identification

        A.IR

        B.Chemical reaction

        C.Chemical reaction

        D.Chemical reaction

        Solubility

        Slightly soluble in water,pratically insoluble in alcohol and in ether,freely soluble in 1M hydrochloric acid and sparingly soluble in 0.1M hydrochloric acid.

        Appearance of solution

        Not more intensely coloured than reference solution BY6

        pH

        4.5~7.0

        Related substances

        Single impurity ≤0.5%

        Specific rotation

        -1.27°~-1.34°

        Bulk density

        ≥0.40gm/cc

        Tapped Density

        ≥0.60gm/cc

        Loss on drying

        Not more than 1.0%

        Particle size

        100% pass through 80 mesh

        Heavy metals

        Not more than 10ppm

        Mercury

        Not more than 0.1ppm

        ArsenicAs

        Not more than 1ppm

        Lead

        Not more than 3ppm

        IronFe

        Not more than 10ppm

        Cadmium

        Not more than 1ppm

        Ash

        Not more than 0.1ppm

        Assay

        99.0%101.0%

        GMO/BSE Status

        Not genetically modified organism. Free of BSE.

        Storage

        Store in tight containers,in a cool dry area.



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