Model No.: Quercetin
TEST | SPECIFICATION | RESULTS | Test Method |
Appearance | yellow powder | Complies | Visual |
Odor & Taste | Characteristic | Characteristic | Organoleptic |
Identification | Must positive | Positive | Infrared Absorption |
Melting point | 305°C-315°C | 311°C | Melting point Apparatus |
Particle size | 95% pass through 80mesh | Complies | US Screen |
Bulk density | ≥0.20gm/cc | 0.27gm/cc | CP2010 |
Tapped density | ≥0.30gm/cc | 0.38gm/cc | CP2010 |
Heavy metals | ≤10ppm | <10ppm | Visual Colorimetry |
-Arsenic | ≤1ppm | <1ppm | AAS |
-Mercury | ≤0.1ppm | <0.1ppm | AAS |
-Cadmium | ≤1ppm | <1ppm | AAS |
-Lead | ≤3ppm | <3ppm | AAS |
Ash | ≤0.30% | 0.20% | CP2010 |
Loss on drying | ≤12.0% | 10.52% | 120°C/3h |
Assay by HPLC Assay by UV | ≥95.0% ≥98.0% | 95.82% 98.3 | HPLC UV |
Microbiological test(Heat temperature Sterilization) | |||
Total plate count | ≤1000cfu/g | 100cfu/g | AOAC966.23 |
Mildew&Yeast | ≤100cfu/g | 20cfu/g | FDABAM8th |
E.Coli | Negative | Negative | FDABAM8th |
Salmonella | Negative | Negative | FDABAM8th |
Coliforms | ≤10cfu/g | <10cfu/g | AOAC911.14 |
Product Categories : Plant Extract > Other Plant Extract