To frequently enhance the management process by virtue of your rule of “sincerely, good religion and good quality are the base of company development”, we greatly absorb the essence of associated solutions internationally, and regularly produce new goods to meet the needs of shoppers for Low MOQ for Rutin Water Soluble, To find out more about what we are able to do to suit your needs, speak to us at any time. We glance ahead to creating good and long-term enterprise interactions along with you.
To frequently enhance the management process by virtue of your rule of “sincerely, good religion and good quality are the base of company development”, we greatly absorb the essence of associated solutions internationally, and regularly produce new goods to meet the needs of shoppers for China Bp and Fruit Extract, For more than ten years experience in this filed, our company has gained high reputation from home and abroad. So we welcome friends from all over the world to come and contact us, not only for business, but also for friendship.
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.To frequently enhance the management process by virtue of your rule of “sincerely, good religion and good quality are the base of company development”, we greatly absorb the essence of associated solutions internationally, and regularly produce new goods to meet the needs of shoppers for Low MOQ for Rutin Water Soluble, To find out more about what we are able to do to suit your needs, speak to us at any time. We glance ahead to creating good and long-term enterprise interactions along with you.
Low MOQ for China Bp and Fruit Extract, For more than ten years experience in this filed, our company has gained high reputation from home and abroad. So we welcome friends from all over the world to come and contact us, not only for business, but also for friendship.