Product Description
Product Name: Quercetin
Category: Plant Extracts
Effective components: Quercetin Dihydrate, Quercetin Anhydrous
Product specification: 95%
Analysis: HPLC
Quality Control: In House
Formula: C
15H
10O
7
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.