specifications:
1. Quercetin dihydrate  
---purity: +95%,98% by HPLC 
---purity: +99% by UV 
2. Granulated Quercetin Dihydrate
---purity: +95%,98% by HPLC 
---purity: +99% by UV 
3. Quercetin Anhydrous 
---purity: +95%,98% by HPLC 
---purity: +99% by UV 
4. Quercetin Soluble
---purity: +95% by UV
5. Dihydroquercetin 
---purity: +90%,95% by HPLC 
Package: 1kg, 5kg, 25kg.