D-Ribose Powder

    DESCRIPTION

    White crystals or crystalline powder, practically insoluble in alcohol and in ether


    SPECIFICATIONS

    Assay
    (HPLC, Dry Basis)
    97.0 to 102.0%
    Residue
    (on Ignition)
    Max 0.2 %
    Heavy metals
    (Pb)
    Max 10 mg/kg
    Cadmium
    (Cd)
    Max 1 mg/kg
    Arsenic(As) : Max 0.1mg/kg (As2O3) : Max 1mg/kg
    Loss on dryingMax 3.0 %
    Lead
    (Pb)
    Max 3 mg/kg
    Specific Rotation [°]D20-18.0 to -22.0
    State of SolutionMin 95.0 %
    Mercury
    (Hg)
    Max 0.1 mg/kg
    Saccharide
    (Other)
    Not detectable (Chromatographically)
    Shelf life2 Years

    MICROBIOLOGICAL

    Aerobic Plate CountMax 100 cfu/g
    Pathogenic BacteriaNegative


    Direct Food Ingredients will ensure that any material supplied this specification will confirm to the above physical and chemical properties. However, we have no control over the use of the material and can accept no responsibility for problems caused by the customer's failure to ensure the material supplied is suitable for the intended use.

    This specification has been last modified on Tue 28 June 2011 (627)

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