We take “customer-friendly, quality-oriented, integrative, innovative” as objectives. “Truth and honesty” is our administration ideal for Manufacturer for Rutin Powder Rutin Granular Highest Quality Rutin Supplier, We warmly welcome all point of view inquiries from your home and abroad to cooperate with us, and look forward to your correspondence.
We take “customer-friendly, quality-oriented, integrative, innovative” as objectives. “Truth and honesty” is our administration ideal for China Rutin and Rutin NF11, Each product is carefully made, it will make you satisfied. Our merchandise in the production process have got strictly monitored, because it is only to supply you the best quality, we will feel confident. High production costs but low prices for our long-term cooperation. You can have a variety choices and the value of all types are same reliable. If you have any question, do not hesitate to ask us.
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.
① Quercetin Powder 95% HPLC
② Quercetin Powder 98% UV
③ Quercetin Granule 95% HPLC
③ Quercetin dihydrate 95% HPLC
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.
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. |
★ Customized specification,granulation, capsulation service is acceptable.
★ Standardized products, reasonable price, professional service is continuously provided.We take “customer-friendly, quality-oriented, integrative, innovative” as objectives. “Truth and honesty” is our administration ideal for Manufacturer for Rutin Powder Rutin Granular Highest Quality Rutin Supplier, We warmly welcome all point of view inquiries from your home and abroad to cooperate with us, and look forward to your correspondence.
Manufacturer for China Rutin and Rutin NF11, Each product is carefully made, it will make you satisfied. Our merchandise in the production process have got strictly monitored, because it is only to supply you the best quality, we will feel confident. High production costs but low prices for our long-term cooperation. You can have a variety choices and the value of all types are same reliable. If you have any question, do not hesitate to ask us.