| ≥1 piece |
Quercetin (98% UV)
Products name: Quercetin
Appearance: Yellow powder
Purity: 98% By UV 95%By HPLC
Molecular Formula: C15H10O
Molecular Weight: 302.23
CAS Registry Number: 117-39-5
Quercetin is a powerful antioxidant. It is also a natural anti-histamine, and anti-inflammatory. Research shows that quercetin may help to prevent cancer, especially prostate cancer
| Product Name | Quercetin | |||||
| Solvent Used | Ethanol & Water | Botanical Source | Sophora Japonica L. | |||
| Batch Number | QU20100306 | Manufacture Date | 03.01.2010 | |||
| Batch Quantity | 500kgs/20drums | Analysis Date | 03.06.2010 | |||
| ANALYSIS | SPECIFICATION | RESULTS | TEST METHODS | |||
| Assay | NLT95% | 96.12% | UV | |||
| Chemical Physical Control | ||||||
| Appearance | Fine Powder | Conforms | Visual | |||
| Color | Yellow green | Conforms | Visual | |||
| Odor | Characteristic | Conforms | Organoleptic | |||
| Taste | Characteristic | Conforms | Organoleptic | |||
| Sieve Analysis | NLT100%Through 80 mesh | Conforms | 80 Mesh Screen | |||
| Bulk density | 10-30g/100ml | 17.82g/100ml | / | |||
| Melting point | 305-315 | 312 | ||||
| Loss on drying | 9%~12% | 8.85% | 1g/105/2hrs | |||
| Ash | NMT0.20% | 0.18% | 2g/525/3hrs | |||
| Heavy Metals | NMT20ppm | Conforms | Colorimetry | |||
| Arsenic (As) | NMT2ppm | 0.11ppm | ICP-MS | |||
| Lead (Pb) | NMT2ppm | 0.19ppm | ICP-MS | |||
| Sterilization Method | High Temperature & Pressure | Conforms | / | |||
| Microbiology Control | ||||||
| Total Plate Count | NMT1,000cfu/g | 10cfu/g | CP2005 | |||
| Total Yeast & Mold | NMT100cfu/g | 10cfu/g | CP2005 | |||
| E.Coli. | Negative | Conforms | CP2005 | |||
| Salmonella | Negative | Conforms | CP2005 | |||
| Staphylococcus | Negative | Conforms | CP2005 | |||