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
Quercetin Powder 95% HPLC Quercetin Powder 98% UV Quercetin Granule 95% HPLC Quercetin dihydrate 95% HPLC
Benefits of Sophora Japonica Extract Quercetin
Quercetin is a kind of natural vitamin P, which has the ability to reduce capillary permeability and antioxidant. Quercetin is an anti-inflammatory &, has strong inhibit ability on Staphylococcus aureus, E.coli. Quercetin has strong activity, which can reduce the proliferation activity of cells. 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> |
| Loss on Drying | ≤12.00% | USP43<921> |
| Residue on Ignition | ≤0.10% | USP43<281> |
| Chemical Tests | ||
| Heavy Metals | ≤10.00ppm | USP43<231> |
| Pb | ≤3.00ppm | USP43<211> |
| As | ≤1.00ppm | USP43<251> |
| Cd | ≤1.00ppm | USP43<232> |
| Hg | ≤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
Our quercetin is widely applied in multiple fields with mature cases:
Nutraceuticals
Used in capsules, tablets and powders (50-500mg per serving), as standalone or combined supplements.
Functional Foods & Beverages
Added to energy bars, juices, yogurt, etc. (0.1%-0.5%), providing antioxidant support.
Cosmetics
Used in serums, creams and masks (0.1%-1.0%), for skin wellness support, soothing and barrier enhancement.
Pharmaceutical Intermediates
Applied in R&D and production of anti-inflammatory, cardiovascular and drugs, complying with USP and EP standards.
Why Choose Us
★ Customized specification,granulation, capsulation service is acceptable. ★ Standardized products, reasonable price, professional service is continuously provided.
These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
