2022 Latest Design Icaritin - Sophora Japonica Extract Rutin and Quercetin Manufacturer – Healthway
2022 Latest Design Icaritin - Sophora Japonica Extract Rutin and Quercetin Manufacturer – Healthway Detail:
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. GO | IR spectrum is concordant with spectrum of Quercetin RS . | |
| B. UV | The absorptivity at the maximum at 371nm is 75.5–80.0 . | |
| C. HPLC | Retention time of the sample matches with the standard in HPLC purity test. | |
| Active Ingredients Tests | ||
| Quercetin dihydrate (HPLC) | ≥95.00% | USP43 |
| Kaempferol | ≤0.50% | USP43 |
| Individual impurities | ≤0.10% | USP43 |
| Total Impurities | ≤2.00% | USP43 |
| Physical Tests | ||
| Appearance | Yellow crystalline powder | Visual |
| Particle size | 98% pass 80 mesh | Ch.P 2020 IV |
| Water | ≤12.00% | USP43 |
| Residue on Ignition | ≤0.10% | USP43 |
| Chemical Tests | ||
| Heavy Metals | ≤10.00ppm | USP43 |
| Pb | ≤3.00ppm | USP43 |
| As | ≤1.00ppm | USP43 |
| Cd | ≤1.00ppm | USP43 |
| Hg | ≤0.10ppm | USP43 |
| Sulphate | ≤1,000ppm | Ch.P 2020 IV |
| Microbiological Tests | ||
| Total Bacterial Counts | ≤1,000cfu/g | USP43 |
| Yeasts and Molds | ≤100cfu/g | USP43 |
| E. Coli | Negative in 1g | USP43 |
| Salmonella | Negative in 10g | USP43 |
| * 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.
Product detail pictures:
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By Sara from Bolivia - 2017.02.18 15:54 The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
By Alice from Guatemala - 2017.01.28 19:59 
