Sophora Japonica Extract Rutin and Quercetin Manufacturer

Sophora Japonica Extract Quercetin Introduction Quercetin- (Sophora japonica extract) -was a hydrolysis product from Rutin which extracted from dried flower buds of Sophora japonica L, by alkali extraction, acid precipitation and purification process, it NLT 98.0% and NMT 102.0% of quercetin, calculated on the anhydrous basis. Mainly Specifications of Sophora Japonica Extract Quercetin ① Quercetin Powder 95% HPLC ② Quercetin Powder 98% UV ③ Quercetin Granule 95% HPLC ③ Quercetin dihydrate 95% HPLC Benefits of Sophora Japonica Extract Quercetin ❶ Quercetin is a kind of natural vitamin P, which has the ability to reduce capillary permeability and antioxidant. ❷ Quercetin is an anti-inflammatory & antiviral agent, has strong inhibit ability on Staphylococcus aureus, E.coli. ❸ Quercetin has strong antitumor activity, which can reduce the proliferation activity of tumor cells. ❹ Quercetin has effects on the central nervous system, analgesia, anti-depression and improve memory. Typical Specification Sheet of Quercetin 95% Analysis Items Specifications Methods Identifications A. IR IR spectrum is concordant with spectrum of Quercetin RS <197K>. B. UV The absorptivity at the maximum at 371nm is 75.5–80.0 <197U>. C. HPLC Retention time of the sample matches with the standard in HPLC purity test. Active Ingredients Tests Quercetin dihydrate (HPLC) ≥95.00 % USP43<621> Kaempferol ≤0.50% USP43<621> Individual impurities ≤0.10% USP43<621> Total Impurities ≤2.00% USP43<621> Physical Tests Appearance Yellow crystalline powder Visual Particle size 98% pass 80 mesh Ch.P 2020 IV<0982> Water ≤12.00% USP43<921> Residue on Ignition ≤0.10% USP43<281> Chemical Tests Heavy Metals ≤10.00ppm USP43<231> Pb<Lead> ≤3.00ppm USP43<211> As<Inorganic arsenic> ≤1.00ppm USP43<251> Cd<Cadmium> ≤1.00ppm USP43<232> Hg<Total mercury> ≤0.10ppm USP43<261> Sulphate ≤1,000ppm Ch.P 2020 IV<0802> Microbiological Tests Total Bacterial Counts ≤1,000cfu/g USP43<2021> Yeasts and Molds ≤100cfu/g USP43<2021> E. Coli Negative in 1g USP43<2022> Salmonella Negative in 10g USP43<2022> * Statements: Allergen Free,Irradiated free, GMO free, Additives free. Application Cases Why Choose Us ★ Customized specification,granulation, capsulation service is acceptable. ★ Standardized products, reasonable price, professional service is continuously provided.