• Product Name: Quercetin Granular
• Latin Name: Sophora japonica L.
• Used Part: Bud

 

• Analysis Specification

1. Appearance: Bright Yellow fine granular
2. Odor: Characteristic
3. Taste: Characteristic
4. Assay (Quercetin)≥ 98. 0%
5. Testing Method: UV
6. Loss on Drying≤ 12. 0%
7. Sieve analysis: 100% pass 40 mesh
8. Bulk Density: 45-55g/100mL
9. Extract Solvents: Water & Alcohol
10. Heavy Metal< 20ppm
11. As< 2ppm
12. Residual Solvents: Eur. Pharm. 2000

• Microbiology

1. Total Plate Count< 1000cfu/g
2. Yeast & Mold< 100cfu/g
3. E. Coli: Negative
4. Salmonella: Negative
5. StorageStore in cool & dry place. Keep away from strong light and heat. Shelf life2 years when properly stored