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
