Test Item | USP Specification | CP Specification | Test Methods | ||
Appearance | Yellow-Orange | Yellow-Orange | Visual | ||
Curcuminoids Content | ≥95% | HPLC | USP | ||
Curcumin | 70-80% | / | USP | ||
Desmethoxycurcunmin | 15-25% | / | USP | ||
Bisdesmethoxycurcunmin | 2.5-6.5% | / | USP | ||
Loss On Drying | ≤5% | ≤5% | 5g/105℃/2hrs | ||
Particle Size | ≥80% pass 80 mesh | ≥80% pass 80 mesh | Screen | ||
Total Solvent Residues | ≤5000ppm | / | Gas Chromatography | ||
Ethanol Residues | / | ≤5000ppm | Gas Chromatography | ||
Ethyl Acetate Residues | / | ≤5000ppm | Gas Chromatography | ||
Heavy Metals | ≤10mg/kg | ≤10mg/kg | Atomic Absorption | ||
Lead | ≤1mg/kg | ≤1mg/kg | Atomic Absorption | ||
Arsenic | ≤1mg/kg | ≤1mg/kg | Atomic Absorption | ||
Mercury | ≤0.1mg/kg | ≤0.1mg/kg | Atomic Absorption | ||
Cadmium | ≤1mg/kg | ≤1mg/kg | Atomic Absorption | ||
Total Plate Count | ≤1000cfu/g | ≤3000cfu/g | AOAC | ||
Total Yeast&Mold | ≤100cfu/g | ≤300cfu/g | AOAC | ||
Coli Group | ≤3MPN/g | ≤3MPN/g | AOAC | ||
Salmonella | Negative | Negative | AOAC | ||
Staphylococcus | Negative | Negative | AOAC |