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Shaanxi Taiji Huaqing Technology Co., Ltd.

China Manufacturer with main products: Plant Extract, Herbal Extract, Herb Extracts

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High Grade Quercetin 95%,98%

Shipping: According to customer demand.
Payment Terms: L/C, T/T(Bank Transfer), PayPal
Place of Origin: Shaanxi in China
Packaging Details: According to customer demand.


  • 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

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