China D-Ribose, Find details about China Health Care Raw Materials, Nutritional Products from D-Ribose
Items | Standard |
Description | White or slightly yellow crystals or crystalline powder, reducing sugar. |
Assay | 98.0%~102%(HPLC,dry basia) |
Loss on Drying | ≤3.0%(in vacuum, 60ºC,3hours) |
Residue on Ignition(Sulfated) | ≤0.2% |
Specific Rotation [a]D20 | -18.0°~ - 22.0° |
State of Solution | ≥95% |
Heavy Metals | ≤10ppm |
Arsenic(As2O3) | <2ppm |
Other saccharide | Not detectable (chromatographically) |
Lead(Pb) | ≤0.1mg/kg |
Arsenic(As) | ≤0.01mg/kg |
Aerobic Plate Count | < 100cfu/g |
Pathogenic Bacteria | Negative |