OEM/ODM Factory Synephrine - FACTORY OFFER 100% NATURAL SOPHORA JAPONICA EXTRACT, QUERCETIN POWDER 95% – Ruiwo
OEM/ODM Factory Synephrine - FACTORY OFFER 100% NATURAL SOPHORA JAPONICA EXTRACT, QUERCETIN POWDER 95% – Ruiwo Detail:
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Product Description
Product Name: Quercetin
Category: Plant Extracts
Effective components: Quercetin Dihydrate, Quercetin Anhydrous
Product specification: 95%
Analysis: HPLC
Quality Control: In House
Formula: C15H10O7
Molecular weight: 302.24
CAS No: 117-39-5
Appearance: Yellow powder
Identification: Passes all criteria tests
Product Function:
1. Super Quercetin may expel phlegm and arrest coughing, it can also be used as anti-asthmatic; Quercetin Complex; Quercetin weight loss.
2. Quercetin has antibacterial, anti-inflammatory and anti-allergic effects.
3. Quercetin has the effect of lowering blood pressure and blood lipid.
Storage: keep in cool and dry place, well-closed, away from moisture or direct sunlight.
Certificate of Analysis
Product name | Quercetin | Botanical Source | Sophora Japonica |
Batch NO. | RW-Q20210503 | Batch Quantity | 1000 kgs |
Manufacture Date | May 3. 2021 | Expiration Date | May 7. 2021 |
Solvents Residue | Water&Ethanol | Part Used | Flower Bud |
ITEMS | SPECIFICATION | METHOD | TEST RESULT |
Physical&Chemical Data | |||
Color | Yellow | Organoleptic | Conforms |
Ordour | Characteristic | Organoleptic | Conforms |
Appearance | Powder | Organoleptic | Conforms |
Analytical Quality | |||
Assay(Quercetin) | ≥95% | HPLC/UV | 95.16% |
Loss on Drying | 5.0% Max. | Eur.Ph.7.0 [2.5.12] | 2.21% |
Total Ash | 5.0% Max. | Eur.Ph.7.0 [2.4.16] | 1.05% |
Sieve | 100% pass 80 mesh | USP36<786> | Conform |
Solvents Residue | Meet Eur.Ph.7.0 <5.4> | Eur.Ph.7.0 <2.4.24> | Qualified |
Pesticides Residue | Meet USP Requirements | USP36 <561> | Qualified |
Heavy Metals | |||
Total Heavy Metals | 10ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Lead (Pb) | 2.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Arsenic (As) | 1.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Cadmium(Cd) | 1.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Mercury (Hg) | 0.5ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
Microbe Tests | |||
Total Plate Count | NMT 1000cfu/g | USP <2021> | Conforms |
Total Yeast & Mold | NMT 100cfu/g | USP <2021> | Conforms |
E.Coli | Negative | USP <2021> | Negative |
Salmonella | Negative | USP <2021> | Negative |
Packing&Storage | Packed in paper-drums and two plastic-bags inside. | ||
N.W: 25kgs | |||
Store in a well-closed container away from moisture, light, oxygen. | |||
Shelf life | 24 months under the conditions above and in its original packaging. |
Application of Quercetin
1. Quercetin is a plant pigment with potent antioxidant properties. It’s present in many common foods, such as onions, apples, grapes, and berries.
2. It can also be purchased as a dietary supplement for a variety of uses.
Product detail pictures:



Related Product Guide:
"Based on domestic market and expand overseas business" is our development strategy for OEM/ODM Factory Synephrine - FACTORY OFFER 100% NATURAL SOPHORA JAPONICA EXTRACT, QUERCETIN POWDER 95% – Ruiwo , The product will supply to all over the world, such as: Pakistan, Jersey, Pretoria, With a fully integrated operation system, our company has won a good fame for our high quality goods, reasonable prices and good services. Meanwhile, we have established a strict quality management system conducted in material incoming, processing and delivery. Abiding by the principle of "Credit first and customer supremacy", we sincerely welcome clients from home and abroad to cooperate with us and advance together to create a brilliant future.

In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!
