1,CAS NO.:6151-25-3 2,MOLECULAR FORMULA & MOLECULAR Massaa:C15H10O7 302.23 3,TEST METHOD: HPLC UV 4,Yellow powder
Quercetin is a potent antioxidant and has anti-inflammatory activity, protecting cellular structures and blood vessels from the damaging effects of free radicals. It improves blood vessel strength. Quercetin inhibits the activity of catechol O -methyltransferase that breaks down the neurotransmitter norepinephrine.
ITEMS | RESULTS |
Melting point | 305-315°C |
Loss on Drying | More than 5.5%,Less than 9% 9.0%~12.0% |
Sulphated ash | Less than 0.3% ≤0.3% |
Heavy Metal | ≤20PPM |
Assay (by UV) | More than 98% ≥98% |
Total plate count Yeast & mold E.coli Salmonella | <1000cfu/g <100cfu/g Negative Negative |
Melting point | 305-315°C |
best seller 98% Quercetin
