CAS No.: | 6151-25-3 |
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Formula: | Yes |
EINECS: | Yes |
Type: | Pharmaceutical Intermediates |
Appearance: | Powder |
Quality: | Technical |
Customization: |
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Quercetin, also known as quercetin, quercetin, is soluble in glacial acetic acid, yellow in alkaline solution, almost insoluble in water, and bitter in alcohol solution. As a medicine, it has good expectorant and antitussive effects and has a certain antiasthmatic effect. In addition, quercetin powder also lowers blood pressure, enhances capillary resistance, reduces capillary fragility, lowers blood lipids, dilatation of coronary arteries, and increases coronary blood flow. Quercetin powder is used for the treatment of chronic bronchitis. Quercetin is also has adjuvant therapy for patients with coronary heart disease and hypertension.
Items |
Standards |
Results |
Physical Analysis |
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Description |
Yellow Fine Powder | Complies |
Assay |
Quercetin 98% (HPLC) | 98.26% |
Mesh Size |
100 % pass 80 mesh | Complies |
Ash |
≤ 5.0% | 2.85% |
Loss on Drying | ≤ 5.0% | 2.85% |
Chemical Analysis | ||
Heavy Metal | ≤ 10.0 mg/kg | Complies |
Pb | ≤ 2.0 mg/kg | Complies |
As | ≤ 1.0 mg/kg | Complies |
Hg | ≤ 0.1 mg/kg | Complies |
Microbiological Analysis | ||
Residue of Pesticide | Negative | Negative |
Total Plate Count | ≤ 1000cfu/g | Complies |
Yeast&Mold | ≤ 100cfu/g | Complies |
E.coil | Negative | Negative |
Salmonella | Negative | Negative |
Weight | Packing method |
1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
10kgs,25kg or more | by Drums or carton (3 layers plastic bag inside) |
Weight | Delivery mothod | Delivery time |
1kg-25kgs | EMS,DHL,UPS,Fedex,TNT | 3-7days |
25kgs-100kgs | DHL,FedEx,by Air | 3-7days |
more than 100kgs | by Air | 3-7days |
by Sea | 10-35days |
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